123125525164 has 24 divisors (see below), whose sum is σ = 215844250608. Its totient is φ = 61455831360.

The previous prime is 123125525153. The next prime is 123125525233. The reversal of 123125525164 is 461525521321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6000867 + ... + 6021349.

It is an arithmetic number, because the mean of its divisors is an integer number (8993510442).

Almost surely, 2^123125525164 is an apocalyptic number.

It is an amenable number.

123125525164 is a deficient number, since it is larger than the sum of its proper divisors (92718725444).

123125525164 is a wasteful number, since it uses less digits than its factorization.

123125525164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23025 (or 23023 counting only the distinct ones).

The product of its digits is 72000, while the sum is 37.

The spelling of 123125525164 in words is "one hundred twenty-three billion, one hundred twenty-five million, five hundred twenty-five thousand, one hundred sixty-four".