523800012 has 24 divisors (see below), whose sum is σ = 1223182912. Its totient is φ = 174459600.

The previous prime is 523799993. The next prime is 523800031. The reversal of 523800012 is 210008325.

It is an interprime number because it is at equal distance from previous prime (523799993) and next prime (523800031).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1414 + ... + 32397.

Almost surely, 2^523800012 is an apocalyptic number.

It is an amenable number.

523800012 is an abundant number, since it is smaller than the sum of its proper divisors (699382900).

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

523800012 is a wasteful number, since it uses less digits than its factorization.

523800012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35109 (or 35107 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 523800012 is about 22886.6776094740. The cubic root of 523800012 is about 806.0992207915.

Adding to 523800012 its reverse (210008325), we get a palindrome (733808337).

The spelling of 523800012 in words is "five hundred twenty-three million, eight hundred thousand, twelve".