564198423 has 16 divisors (see below), whose sum is σ = 762627072. Its totient is φ = 370980000.

The previous prime is 564198403. The next prime is 564198433. The reversal of 564198423 is 324891465.

It is not a de Polignac number, because 564198423 - 2⁵ = 564198391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564198403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78678 + ... + 85548.

It is an arithmetic number, because the mean of its divisors is an integer number (47664192).

Almost surely, 2^564198423 is an apocalyptic number.

564198423 is a deficient number, since it is larger than the sum of its proper divisors (198428649).

564198423 is a wasteful number, since it uses less digits than its factorization.

564198423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7246.

The product of its digits is 207360, while the sum is 42.

The square root of 564198423 is about 23752.8613644756. The cubic root of 564198423 is about 826.3118024849.

The spelling of 564198423 in words is "five hundred sixty-four million, one hundred ninety-eight thousand, four hundred twenty-three".