123 Number Properties & Facts

One Hundred Twenty-Three

Primality

Prime Factorization of 123
31 × 411
Number of Divisors of 123
4
1, 3, 41, 123
1, 3, 41, 123
Is 123 Prime?
No

Trigonometry

Sine of 123
-0.45990349068959
Cosecant: -2.1743692323374
Cosine of 123
-0.88796890669186
Secant: -1.1261655587981
Tangent of 123
0.51792747158566
Cotangent: 1.930772269983

Functions

Square of 123
15129
123 × 123 = 15129
Square Root of 123
11.090536506409
11.0905365064092 = 123
Natural Logarithm (ln) of 123
4.8121843553724
e4.8121843553724 = 123
Decimal Logarithm (log) of 123
2.0899051114394
102.0899051114394 = 123

Sequences

Is 123 a Fibonacci Number?
No
Is 123 a Bell Number?
No
Is 123 a Catalan Number?
No
Is 123 a Factorial?
No
Is 123 a Perfect Number?
No
Calculate 123! Calculate Γ(123) Fibonacci 123 Bernoulli 123 Euler 123

Translations

How do you say 123 in different languages?
Englishone hundred twenty-three
españolciento veintitrés
françaiscent vingt-trois
Deutschein­hundert­drei­und­zwanzig
Nederlandshonderddrie­ën­twintig
русскийсто двадцать три
українськасто двадцять три
Tiếng Việtmột trăm hai mươi ba
العربيةمائة و ثلاثة و عشرون
עבריתמאה עשרים ושלוש
हिन्दीएक सौ तेईस
中文一百二十三
日本語百二十三
한국어백이십삼
češtinasto dvacet tři
hrvatskisto dvadeset i tri
slovenčinajedna­sto dvadsať­tri
polskisto dwadzieścia trzy
Türkçeyüz yirmi üç
portuguêscento e vinte e três
italianocento­venti­tré
svenskaett­hundra­tjugo­tre
suomisata­kaksi­kymmentä­kolme
norskhundre og tjue­tre
Filipinoisáng daán at dalawáng pû’t tatló
Melayuseratus dua puluh tiga
မြန်မာတစ်ရာ့နှစ်ဆယ်သုံး
Indonesiaseratus dua puluh tiga
Kiswahilimia moja na ishirini na tatu

Numeric Bases

123 in Binary (Base 2)
0b1111011
One's Complement: 0000100
Two's Complement: 0000101
123 in Octal (Base 8)
0173
123 in Hexadecimal (Base 16)
0x7B
Convert 123 to Other Bases

Miscellaneous

  • 123 is an odd number
  • 123 has 3 Significant Figures
  • The Hamming Weight of 123 is 6
  • 123 is not a Hamming (Regular) Number
  • 123 is not a Humble Number
  • 123 is not a Polygonal (s < 13) Number
  • 123 is not a Happy Number
  • 123 is not a Self Describing Number
  • 123 is not a Palindrome
  • 123 is not a Münchhausen Number
  • 123 is not an Eban Number
  • 123 is a Pernicious Number
  • 123 is an Attractive Number
  • 123 is not a Perfect Square
  • 123 is not a Perfect Power