231923555976 has 32 divisors (see below), whose sum is σ = 662638731840. Its totient is φ = 66263873088.

The previous prime is 231923555959. The next prime is 231923556001. The reversal of 231923555976 is 679555329132.

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 7 ways as a sum of consecutive naturals, for example, 690248511 + ... + 690248846.

It is an arithmetic number, because the mean of its divisors is an integer number (20707460370).

Almost surely, 2^231923555976 is an apocalyptic number.

It is an amenable number.

231923555976 is an abundant number, since it is smaller than the sum of its proper divisors (430715175864).

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

231923555976 is a wasteful number, since it uses less digits than its factorization.

231923555976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380497373 (or 1380497369 counting only the distinct ones).

The product of its digits is 15309000, while the sum is 57.

The spelling of 231923555976 in words is "two hundred thirty-one billion, nine hundred twenty-three million, five hundred fifty-five thousand, nine hundred seventy-six".