564504323 has 2 divisors, whose sum is σ = 564504324. Its totient is φ = 564504322.

The previous prime is 564504313. The next prime is 564504361. The reversal of 564504323 is 323405465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 564504323 - 2¹² = 564500227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 564504323.

It is not a weakly prime, because it can be changed into another prime (564504313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282252161 + 282252162.

It is an arithmetic number, because the mean of its divisors is an integer number (282252162).

Almost surely, 2^564504323 is an apocalyptic number.

564504323 is a deficient number, since it is larger than the sum of its proper divisors (1).

564504323 is an equidigital number, since it uses as much as digits as its factorization.

564504323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 564504323 is about 23759.2997161112. The cubic root of 564504323 is about 826.4611134964.

Adding to 564504323 its reverse (323405465), we get a palindrome (887909788).

The spelling of 564504323 in words is "five hundred sixty-four million, five hundred four thousand, three hundred twenty-three".