564393223 has 4 divisors (see below), whose sum is σ = 582599488. Its totient is φ = 546186960.

The previous prime is 564393211. The next prime is 564393257. The reversal of 564393223 is 322393465.

It is a happy number.

564393223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-564393223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565393223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9103086 + ... + 9103147.

It is an arithmetic number, because the mean of its divisors is an integer number (145649872).

Almost surely, 2^564393223 is an apocalyptic number.

564393223 is a deficient number, since it is larger than the sum of its proper divisors (18206265).

564393223 is a wasteful number, since it uses less digits than its factorization.

564393223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18206264.

The product of its digits is 116640, while the sum is 37.

The square root of 564393223 is about 23756.9615691906. The cubic root of 564393223 is about 826.4068913819.

The spelling of 564393223 in words is "five hundred sixty-four million, three hundred ninety-three thousand, two hundred twenty-three".