523863 has 6 divisors (see below), whose sum is σ = 756704. Its totient is φ = 349236.

The previous prime is 523847. The next prime is 523867. The reversal of 523863 is 368325.

It is not a de Polignac number, because 523863 - 2⁴ = 523847 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 523863.

It is not an unprimeable number, because it can be changed into a prime (523867) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29095 + ... + 29112.

2⁵²³⁸⁶³ is an apocalyptic number.

523863 is a deficient number, since it is larger than the sum of its proper divisors (232841).

523863 is a wasteful number, since it uses less digits than its factorization.

523863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58213 (or 58210 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 523863 is about 723.7838075006. The cubic root of 523863 is about 80.6131531178.

The spelling of 523863 in words is "five hundred twenty-three thousand, eight hundred sixty-three".