523123304 has 32 divisors (see below), whose sum is σ = 1075969440. Its totient is φ = 236462400.

The previous prime is 523123297. The next prime is 523123379. The reversal of 523123304 is 403321325.

It is a self number, because there is not a number n which added to its sum of digits gives 523123304.

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, 494 + ... + 32349.

It is an arithmetic number, because the mean of its divisors is an integer number (33624045).

Almost surely, 2^523123304 is an apocalyptic number.

It is an amenable number.

523123304 is an abundant number, since it is smaller than the sum of its proper divisors (552846136).

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

523123304 is a wasteful number, since it uses less digits than its factorization.

523123304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33041 (or 33037 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 523123304 is about 22871.8889469147. Note that the first 3 decimals coincide. The cubic root of 523123304 is about 805.7519324758.

Adding to 523123304 its reverse (403321325), we get a palindrome (926444629).

The spelling of 523123304 in words is "five hundred twenty-three million, one hundred twenty-three thousand, three hundred four".