564624423 has 24 divisors (see below), whose sum is σ = 906506640. Its totient is φ = 335736960.

The previous prime is 564624419. The next prime is 564624433. The reversal of 564624423 is 324426465.

564624423 is a `hidden beast` number, since 5 + 6 + 4 + 624 + 4 + 23 = 666.

It is not a de Polignac number, because 564624423 - 2² = 564624419 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564624433) 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, 48558 + ... + 59051.

It is an arithmetic number, because the mean of its divisors is an integer number (37771110).

Almost surely, 2^564624423 is an apocalyptic number.

564624423 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

564624423 is a deficient number, since it is larger than the sum of its proper divisors (341882217).

564624423 is a wasteful number, since it uses less digits than its factorization.

564624423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107679 (or 107676 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 564624423 is about 23761.8270130897. The cubic root of 564624423 is about 826.5197200398.

The spelling of 564624423 in words is "five hundred sixty-four million, six hundred twenty-four thousand, four hundred twenty-three".