523608 has 16 divisors (see below), whose sum is σ = 1309080. Its totient is φ = 174528.

The previous prime is 523603. The next prime is 523631. The reversal of 523608 is 806325.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 21817 = 523608 / (5 + 2 + 3 + 6 + 0 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10885 + ... + 10932.

2⁵²³⁶⁰⁸ is an apocalyptic number.

It is an amenable number.

523608 is an abundant number, since it is smaller than the sum of its proper divisors (785472).

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

523608 is a wasteful number, since it uses less digits than its factorization.

523608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21826 (or 21822 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 523608 is about 723.6076284838. The cubic root of 523608 is about 80.6000710141.

The spelling of 523608 in words is "five hundred twenty-three thousand, six hundred eight".