123 (number)

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← 122 123 124 →
Cardinal one hundred twenty-three
Ordinal 123rd
(one hundred and twenty-third)
Factorization 3 × 41
Divisors 1, 3, 41, 123
Roman numeral CXXIII
Binary 11110112
Ternary 111203
Quaternary 13234
Quinary 4435
Senary 3236
Octal 1738
Duodecimal A312
Hexadecimal 7B16
Vigesimal 6320
Base 36 3F36

123 (one hundred [and] twenty-three) is the natural number following 122 and preceding 124.

In mathematics[edit]

In religion[edit]

The Book of Numbers says that Aaron died at the age of 123.[3]

In telephony[edit]

In other fields[edit]

123 is also:

See also[edit]

References[edit]

  1. ^ Friedman, Erich (30 April 2005). "What's Special About This Number?". Stetson University. Archived from the original on 10 February 2010. Retrieved 8 February 2010. 
  2. ^ "Mian-Chowla Sequence". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. 2016-04-19. Retrieved 2016-04-19. 
  3. ^ Numbers 33:39