231657564675 has 48 divisors (see below), whose sum is σ = 393597629568. Its totient is φ = 120159110400.

The previous prime is 231657564629. The next prime is 231657564701. The reversal of 231657564675 is 576465756132.

It is not a de Polignac number, because 231657564675 - 2⁷ = 231657564547 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 597280 + ... + 905570.

It is an arithmetic number, because the mean of its divisors is an integer number (8199950616).

Almost surely, 2^231657564675 is an apocalyptic number.

231657564675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

231657564675 is a deficient number, since it is larger than the sum of its proper divisors (161940064893).

231657564675 is a wasteful number, since it uses less digits than its factorization.

231657564675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308580 (or 308575 counting only the distinct ones).

The product of its digits is 31752000, while the sum is 57.

The spelling of 231657564675 in words is "two hundred thirty-one billion, six hundred fifty-seven million, five hundred sixty-four thousand, six hundred seventy-five".