563563323 has 24 divisors (see below), whose sum is σ = 845023296. Its totient is φ = 361670400.

The previous prime is 563563267. The next prime is 563563349. The reversal of 563563323 is 323365365.

563563323 is a `hidden beast` number, since 5 + 63 + 563 + 32 + 3 = 666.

It is not a de Polignac number, because 563563323 - 2⁸ = 563563067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (563563373) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14883 + ... + 36723.

It is an arithmetic number, because the mean of its divisors is an integer number (35209304).

Almost surely, 2^563563323 is an apocalyptic number.

563563323 is a deficient number, since it is larger than the sum of its proper divisors (281459973).

563563323 is a wasteful number, since it uses less digits than its factorization.

563563323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21955 (or 21952 counting only the distinct ones).

The product of its digits is 145800, while the sum is 36.

The square root of 563563323 is about 23739.4886844683. The cubic root of 563563323 is about 826.0016352099.

The spelling of 563563323 in words is "five hundred sixty-three million, five hundred sixty-three thousand, three hundred twenty-three".