523056 has 40 divisors (see below), whose sum is σ = 1432944. Its totient is φ = 163840.

The previous prime is 523049. The next prime is 523093. The reversal of 523056 is 650325.

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

It is a nialpdrome in base 9.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 523056.

It is an unprimeable number.

523056 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, 496 + ... + 1136.

2⁵²³⁰⁵⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 523056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (716472).

523056 is an abundant number, since it is smaller than the sum of its proper divisors (909888).

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

523056 is a wasteful number, since it uses less digits than its factorization.

523056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 663 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 523056 is about 723.2261057235. The cubic root of 523056 is about 80.5717375515.

The spelling of 523056 in words is "five hundred twenty-three thousand, fifty-six".