523236 has 24 divisors (see below), whose sum is σ = 1395520. Its totient is φ = 149472.

The previous prime is 523219. The next prime is 523261. The reversal of 523236 is 632325.

It is a Harshad number since it is a multiple of its sum of digits (21).

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

It is a nialpdrome in base 9.

It is an unprimeable number.

523236 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3031 + ... + 3198.

2⁵²³²³⁶ is an apocalyptic number.

It is an amenable number.

523236 is an abundant number, since it is smaller than the sum of its proper divisors (872284).

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

523236 is a wasteful number, since it uses less digits than its factorization.

523236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6243 (or 6241 counting only the distinct ones).

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

The square root of 523236 is about 723.3505374298. The cubic root of 523236 is about 80.5809789135.

The spelling of 523236 in words is "five hundred twenty-three thousand, two hundred thirty-six".