523533285136 has 45 divisors (see below), whose sum is σ = 1034148447199. Its totient is φ = 256752399488.

The previous prime is 523533285091. The next prime is 523533285137. The reversal of 523533285136 is 631582335325.

The square root of 523533285136 is 723556.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 255789131536 + 267744153600 = 505756^2 + 517440^2 .

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523533285137) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 153392166 + ... + 153395578.

Almost surely, 2^523533285136 is an apocalyptic number.

523533285136 is the 723556-th square number.

It is an amenable number.

523533285136 is a deficient number, since it is larger than the sum of its proper divisors (510615162063).

523533285136 is an frugal number, since it uses more digits than its factorization.

523533285136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6940 (or 3468 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 46.

The spelling of 523533285136 in words is "five hundred twenty-three billion, five hundred thirty-three million, two hundred eighty-five thousand, one hundred thirty-six".