120023501657000 has 128 divisors (see below), whose sum is σ = 295823667110400. Its totient is φ = 45453846816000.

The previous prime is 120023501656997. The next prime is 120023501657039. The reversal of 120023501657000 is 756105320021.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28081730 + ... + 32072270.

It is an arithmetic number, because the mean of its divisors is an integer number (2311122399300).

Almost surely, 2^{120023501657000} is an apocalyptic number.

120023501657000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120023501657000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147911833555200).

120023501657000 is an abundant number, since it is smaller than the sum of its proper divisors (175800165453400).

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

120023501657000 is a wasteful number, since it uses less digits than its factorization.

120023501657000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3992164 (or 3992150 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

Adding to 120023501657000 its reverse (756105320021), we get a palindrome (120779606977021).

The spelling of 120023501657000 in words is "one hundred twenty trillion, twenty-three billion, five hundred one million, six hundred fifty-seven thousand".