123632931157120 has 256 divisors, whose sum is σ = 376330587217920. Its totient is φ = 37715046543360.

The previous prime is 123632931157103. The next prime is 123632931157157. The reversal of 123632931157120 is 21751139236321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24373044 + ... + 29005363.

It is an arithmetic number, because the mean of its divisors is an integer number (1470041356320).

Almost surely, 2^{123632931157120} is an apocalyptic number.

123632931157120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123632931157120 is an abundant number, since it is smaller than the sum of its proper divisors (252697656060800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123632931157120 is a wasteful number, since it uses less digits than its factorization.

123632931157120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53378491 (or 53378479 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 123632931157120 in words is "one hundred twenty-three trillion, six hundred thirty-two billion, nine hundred thirty-one million, one hundred fifty-seven thousand, one hundred twenty".