523139525976 has 64 divisors (see below), whose sum is σ = 1318247884800. Its totient is φ = 172994140800.

The previous prime is 523139525939. The next prime is 523139525977. The reversal of 523139525976 is 679525931325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523139525977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10636770 + ... + 10685838.

It is an arithmetic number, because the mean of its divisors is an integer number (20597623200).

Almost surely, 2^523139525976 is an apocalyptic number.

It is an amenable number.

523139525976 is an abundant number, since it is smaller than the sum of its proper divisors (795108358824).

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

523139525976 is a wasteful number, since it uses less digits than its factorization.

523139525976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52600 (or 52596 counting only the distinct ones).

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

The spelling of 523139525976 in words is "five hundred twenty-three billion, one hundred thirty-nine million, five hundred twenty-five thousand, nine hundred seventy-six".