523013512404 has 24 divisors (see below), whose sum is σ = 1220402713600. Its totient is φ = 174332430144.

The previous prime is 523013512397. The next prime is 523013512421. The reversal of 523013512404 is 404215310325.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262804 + ... + 1055979.

Almost surely, 2^523013512404 is an apocalyptic number.

It is an amenable number.

523013512404 is an abundant number, since it is smaller than the sum of its proper divisors (697389201196).

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

523013512404 is a wasteful number, since it uses less digits than its factorization.

523013512404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351839 (or 1351837 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 523013512404 its reverse (404215310325), we get a palindrome (927228822729).

The spelling of 523013512404 in words is "five hundred twenty-three billion, thirteen million, five hundred twelve thousand, four hundred four".