523253025728 has 28 divisors (see below), whose sum is σ = 1038458397552. Its totient is φ = 261594216960.

The previous prime is 523253025671. The next prime is 523253025739. The reversal of 523253025728 is 827520352325.

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, 22148 + ... + 1023228.

Almost surely, 2^523253025728 is an apocalyptic number.

It is an amenable number.

523253025728 is a deficient number, since it is larger than the sum of its proper divisors (515205371824).

523253025728 is a wasteful number, since it uses less digits than its factorization.

523253025728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009260 (or 1009250 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 44.

Multiplying 523253025728 by its sum of digits (44), we get a palindrome (23023133132032).

The spelling of 523253025728 in words is "five hundred twenty-three billion, two hundred fifty-three million, twenty-five thousand, seven hundred twenty-eight".