523136573432 has 32 divisors (see below), whose sum is σ = 1094937022080. Its totient is φ = 232259364960.

The previous prime is 523136573429. The next prime is 523136573441. The reversal of 523136573432 is 234375631325.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

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, 69121028 + ... + 69128595.

It is an arithmetic number, because the mean of its divisors is an integer number (34216781940).

Almost surely, 2^523136573432 is an apocalyptic number.

It is an amenable number.

523136573432 is an abundant number, since it is smaller than the sum of its proper divisors (571800448648).

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

523136573432 is a wasteful number, since it uses less digits than its factorization.

523136573432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138249683 (or 138249679 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 44.

The spelling of 523136573432 in words is "five hundred twenty-three billion, one hundred thirty-six million, five hundred seventy-three thousand, four hundred thirty-two".