523632 has 20 divisors (see below), whose sum is σ = 1352840. Its totient is φ = 174528.

The previous prime is 523631. The next prime is 523637. The reversal of 523632 is 236325.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 523599 and 523608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523631) 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, 5407 + ... + 5502.

It is an arithmetic number, because the mean of its divisors is an integer number (67642).

2⁵²³⁶³² is an apocalyptic number.

It is an amenable number.

523632 is an abundant number, since it is smaller than the sum of its proper divisors (829208).

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

523632 is a wasteful number, since it uses less digits than its factorization.

523632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10920 (or 10914 counting only the distinct ones).

The product of its digits is 1080, while the sum is 21.

The square root of 523632 is about 723.6242118669. The cubic root of 523632 is about 80.6013024519.

Adding to 523632 its reverse (236325), we get a palindrome (759957).

The spelling of 523632 in words is "five hundred twenty-three thousand, six hundred thirty-two".