564465324323 has 4 divisors (see below), whose sum is σ = 565304055048. Its totient is φ = 563626593600.

The previous prime is 564465324221. The next prime is 564465324361. The reversal of 564465324323 is 323423564465.

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-564465324323 is a prime.

It is a super-2 number, since 2×564465324323² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564465324383) 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, 419364353 + ... + 419365698.

It is an arithmetic number, because the mean of its divisors is an integer number (141326013762).

Almost surely, 2^564465324323 is an apocalyptic number.

564465324323 is a deficient number, since it is larger than the sum of its proper divisors (838730725).

564465324323 is an equidigital number, since it uses as much as digits as its factorization.

564465324323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838730724.

The product of its digits is 6220800, while the sum is 47.

Adding to 564465324323 its reverse (323423564465), we get a palindrome (887888888788).

The spelling of 564465324323 in words is "five hundred sixty-four billion, four hundred sixty-five million, three hundred twenty-four thousand, three hundred twenty-three".