523131886057 has 12 divisors (see below), whose sum is σ = 575276912560. Its totient is φ = 475355948760.

The previous prime is 523131886049. The next prime is 523131886063. The reversal of 523131886057 is 750688131325.

It is not a de Polignac number, because 523131886057 - 2³ = 523131886049 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 523131886057.

It is not an unprimeable number, because it can be changed into a prime (523131886087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 728403 + ... + 1255720.

Almost surely, 2^523131886057 is an apocalyptic number.

It is an amenable number.

523131886057 is a deficient number, since it is larger than the sum of its proper divisors (52145026503).

523131886057 is a wasteful number, since it uses less digits than its factorization.

523131886057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986324 (or 1986313 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 523131886057 in words is "five hundred twenty-three billion, one hundred thirty-one million, eight hundred eighty-six thousand, fifty-seven".