123 (number)

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Cardinal 123
one hundred [and] twenty-three
Ordinal 123rd
one hundred [and] twenty-third
Factorization  3 \cdot 41
Divisors 3, 41
Roman numeral CXXIII
Prefixes hecatontakaiicosikaitria- (Greek)
Binary 1111011
Octal 173
Duodecimal A3
Hexadecimal 7B

123 is the natural number following 122 and preceding 124.

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[edit] In mathematics

123 is a Lucas number. It is the eleventh member of the Mian-Chowla sequence

In base 10 it is a Smarandache consecutive number

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[edit] In music

[edit] In TV and radio

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123 is also:

[edit] See also