123807574040 has 64 divisors (see below), whose sum is σ = 280722404160. Its totient is φ = 49140172800.

The previous prime is 123807574031. The next prime is 123807574057. The reversal of 123807574040 is 40475708321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20124965 + ... + 20131115.

It is an arithmetic number, because the mean of its divisors is an integer number (4386287565).

Almost surely, 2^123807574040 is an apocalyptic number.

123807574040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123807574040 is an abundant number, since it is smaller than the sum of its proper divisors (156914830120).

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

123807574040 is a wasteful number, since it uses less digits than its factorization.

123807574040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9972 (or 9968 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 41.

The spelling of 123807574040 in words is "one hundred twenty-three billion, eight hundred seven million, five hundred seventy-four thousand, forty".