523345316 has 24 divisors (see below), whose sum is σ = 1012965240. Its totient is φ = 235014912.

The previous prime is 523345309. The next prime is 523345321. The reversal of 523345316 is 613543325.

It can be written as a sum of positive squares in 4 ways, for example, as 36966400 + 486378916 = 6080^2 + 22054^2 .

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, 134081 + ... + 137928.

It is an arithmetic number, because the mean of its divisors is an integer number (42206885).

Almost surely, 2^523345316 is an apocalyptic number.

It is an amenable number.

523345316 is a deficient number, since it is larger than the sum of its proper divisors (489619924).

523345316 is a wasteful number, since it uses less digits than its factorization.

523345316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272063 (or 272061 counting only the distinct ones).

The product of its digits is 32400, while the sum is 32.

The square root of 523345316 is about 22876.7418134664. The cubic root of 523345316 is about 805.8659026089.

The spelling of 523345316 in words is "five hundred twenty-three million, three hundred forty-five thousand, three hundred sixteen".