523215430232 has 16 divisors (see below), whose sum is σ = 1070213380200. Its totient is φ = 237825195520.

The previous prime is 523215430219. The next prime is 523215430247. The reversal of 523215430232 is 232034512325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2972814857 + ... + 2972815032.

Almost surely, 2^523215430232 is an apocalyptic number.

It is an amenable number.

523215430232 is an abundant number, since it is smaller than the sum of its proper divisors (546997949968).

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

523215430232 is a wasteful number, since it uses less digits than its factorization.

523215430232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5945629906 (or 5945629902 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 523215430232 its reverse (232034512325), we get a palindrome (755249942557).

The spelling of 523215430232 in words is "five hundred twenty-three billion, two hundred fifteen million, four hundred thirty thousand, two hundred thirty-two".