231625404126 has 12 divisors (see below), whose sum is σ = 501855042312. Its totient is φ = 77208468036.

The previous prime is 231625404119. The next prime is 231625404149. The reversal of 231625404126 is 621404526132.

231625404126 is a `hidden beast` number, since 2 + 3 + 1 + 625 + 4 + 0 + 4 + 1 + 26 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6434038986 + ... + 6434039021.

It is an arithmetic number, because the mean of its divisors is an integer number (41821253526).

Almost surely, 2^231625404126 is an apocalyptic number.

231625404126 is an abundant number, since it is smaller than the sum of its proper divisors (270229638186).

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

231625404126 is a wasteful number, since it uses less digits than its factorization.

231625404126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12868078015 (or 12868078012 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 231625404126 in words is "two hundred thirty-one billion, six hundred twenty-five million, four hundred four thousand, one hundred twenty-six".