523313631015 has 64 divisors (see below), whose sum is σ = 1009576550400. Its totient is φ = 226121445504.

The previous prime is 523313631011. The next prime is 523313631121. The reversal of 523313631015 is 510136313325.

It is a happy number.

It is not a de Polignac number, because 523313631015 - 2² = 523313631011 is a prime.

It is a super-2 number, since 2×523313631015² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523313631011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 577044 + ... + 1174566.

It is an arithmetic number, because the mean of its divisors is an integer number (15774633600).

Almost surely, 2^523313631015 is an apocalyptic number.

523313631015 is a deficient number, since it is larger than the sum of its proper divisors (486262919385).

523313631015 is a wasteful number, since it uses less digits than its factorization.

523313631015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597996.

The product of its (nonzero) digits is 24300, while the sum is 33.

The spelling of 523313631015 in words is "five hundred twenty-three billion, three hundred thirteen million, six hundred thirty-one thousand, fifteen".