523612216325 has 24 divisors (see below), whose sum is σ = 719916098016. Its totient is φ = 374566104000.

The previous prime is 523612216321. The next prime is 523612216349.

523612216325 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 523612216325 - 2² = 523612216321 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523612216321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15590147 + ... + 15623696.

It is an arithmetic number, because the mean of its divisors is an integer number (29996504084).

Almost surely, 2^523612216325 is an apocalyptic number.

523612216325 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

523612216325 is a deficient number, since it is larger than the sum of its proper divisors (196303881691).

523612216325 is a wasteful number, since it uses less digits than its factorization.

523612216325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31213925 (or 31213920 counting only the distinct ones).

The product of its digits is 129600, while the sum is 38.

It can be divided in two parts, 523612 and 216325, that added together give a palindrome (739937).

The spelling of 523612216325 in words is "five hundred twenty-three billion, six hundred twelve million, two hundred sixteen thousand, three hundred twenty-five".