523081304 has 8 divisors (see below), whose sum is σ = 980777460. Its totient is φ = 261540648.

The previous prime is 523081301. The next prime is 523081319. The reversal of 523081304 is 403180325.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×523081304² = 547228101188680832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523081301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32692574 + ... + 32692589.

Almost surely, 2^523081304 is an apocalyptic number.

It is an amenable number.

523081304 is a deficient number, since it is larger than the sum of its proper divisors (457696156).

523081304 is a wasteful number, since it uses less digits than its factorization.

523081304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65385169 (or 65385165 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 523081304 is about 22870.9707708265. The cubic root of 523081304 is about 805.7303680973.

The spelling of 523081304 in words is "five hundred twenty-three million, eighty-one thousand, three hundred four".