523813839431880 has 64 divisors (see below), whose sum is σ = 1571443051176000. Its totient is φ = 139683554259200.

The previous prime is 523813839431879. The next prime is 523813839431941. The reversal of 523813839431880 is 88134938318325.

It is a super-2 number, since 2×523813839431880² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205094971 + ... + 207633269.

It is an arithmetic number, because the mean of its divisors is an integer number (24553797674625).

Almost surely, 2^{523813839431880} is an apocalyptic number.

It is an amenable number.

523813839431880 is an abundant number, since it is smaller than the sum of its proper divisors (1047629211744120).

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

523813839431880 is a wasteful number, since it uses less digits than its factorization.

523813839431880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4258014 (or 4258010 counting only the distinct ones).

The product of its (nonzero) digits is 119439360, while the sum is 66.

The spelling of 523813839431880 in words is "five hundred twenty-three trillion, eight hundred thirteen billion, eight hundred thirty-nine million, four hundred thirty-one thousand, eight hundred eighty".