23831391394625 has 128 divisors (see below), whose sum is σ = 32273813145600. Its totient is φ = 17503630848000.

The previous prime is 23831391394619. The next prime is 23831391394649. The reversal of 23831391394625 is 52649319313832.

It is not a de Polignac number, because 23831391394625 - 2¹² = 23831391390529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7785490595 + ... + 7785493655.

It is an arithmetic number, because the mean of its divisors is an integer number (252139165200).

Almost surely, 2^{23831391394625} is an apocalyptic number.

23831391394625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23831391394625 is a deficient number, since it is larger than the sum of its proper divisors (8442421750975).

23831391394625 is a wasteful number, since it uses less digits than its factorization.

23831391394625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3676 (or 3666 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 59.

The spelling of 23831391394625 in words is "twenty-three trillion, eight hundred thirty-one billion, three hundred ninety-one million, three hundred ninety-four thousand, six hundred twenty-five".