564206423 has 6 divisors (see below), whose sum is σ = 620160912. Its totient is φ = 512914820.

The previous prime is 564206413. The next prime is 564206429. The reversal of 564206423 is 324602465.

It is a de Polignac number, because none of the positive numbers 2^k-564206423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 564206423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564206429) 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, 2331311 + ... + 2331552.

It is an arithmetic number, because the mean of its divisors is an integer number (103360152).

Almost surely, 2^564206423 is an apocalyptic number.

564206423 is a deficient number, since it is larger than the sum of its proper divisors (55954489).

564206423 is a wasteful number, since it uses less digits than its factorization.

564206423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4662885 (or 4662874 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 564206423 is about 23753.0297646427. The cubic root of 564206423 is about 826.3157080040.

Adding to 564206423 its reverse (324602465), we get a palindrome (888808888).

The spelling of 564206423 in words is "five hundred sixty-four million, two hundred six thousand, four hundred twenty-three".