523685184072 has 16 divisors (see below), whose sum is σ = 1309212960240. Its totient is φ = 174561728016.

The previous prime is 523685184053. The next prime is 523685184103. The reversal of 523685184072 is 270481586325.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10910107978 + ... + 10910108025.

It is an arithmetic number, because the mean of its divisors is an integer number (81825810015).

Almost surely, 2^523685184072 is an apocalyptic number.

It is an amenable number.

523685184072 is an abundant number, since it is smaller than the sum of its proper divisors (785527776168).

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

523685184072 is a wasteful number, since it uses less digits than its factorization.

523685184072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21820216012 (or 21820216008 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 523685184072 in words is "five hundred twenty-three billion, six hundred eighty-five million, one hundred eighty-four thousand, seventy-two".