523367772 has 12 divisors (see below), whose sum is σ = 1221191496. Its totient is φ = 174455920.

The previous prime is 523367723. The next prime is 523367809. The reversal of 523367772 is 277763325.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

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, 21806979 + ... + 21807002.

It is an arithmetic number, because the mean of its divisors is an integer number (101765958).

Almost surely, 2^523367772 is an apocalyptic number.

It is an amenable number.

523367772 is an abundant number, since it is smaller than the sum of its proper divisors (697823724).

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

523367772 is a wasteful number, since it uses less digits than its factorization.

523367772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43613988 (or 43613986 counting only the distinct ones).

The product of its digits is 370440, while the sum is 42.

The square root of 523367772 is about 22877.2326123594. The cubic root of 523367772 is about 805.8774286290.

The spelling of 523367772 in words is "five hundred twenty-three million, three hundred sixty-seven thousand, seven hundred seventy-two".