523813726056 has 128 divisors (see below), whose sum is σ = 1327288320000. Its totient is φ = 172256378112.

The previous prime is 523813726049. The next prime is 523813726127. The reversal of 523813726056 is 650627318325.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 523813725996 and 523813726014.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 691959630 + ... + 691960386.

It is an arithmetic number, because the mean of its divisors is an integer number (10369440000).

Almost surely, 2^523813726056 is an apocalyptic number.

It is an amenable number.

523813726056 is an abundant number, since it is smaller than the sum of its proper divisors (803474593944).

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

523813726056 is a wasteful number, since it uses less digits than its factorization.

523813726056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871 (or 1867 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 523813726056 in words is "five hundred twenty-three billion, eight hundred thirteen million, seven hundred twenty-six thousand, fifty-six".