123545033025432 has 64 divisors (see below), whose sum is σ = 312411268764000. Its totient is φ = 40708751576064.

The previous prime is 123545033025367. The next prime is 123545033025523. The reversal of 123545033025432 is 234520330545321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1270638 + ... + 15770370.

Almost surely, 2^{123545033025432} is an apocalyptic number.

123545033025432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123545033025432 is an abundant number, since it is smaller than the sum of its proper divisors (188866235738568).

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

123545033025432 is a wasteful number, since it uses less digits than its factorization.

123545033025432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14503820 (or 14503816 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 42.

The spelling of 123545033025432 in words is "one hundred twenty-three trillion, five hundred forty-five billion, thirty-three million, twenty-five thousand, four hundred thirty-two".