564239520023 has 2 divisors, whose sum is σ = 564239520024. Its totient is φ = 564239520022.

The previous prime is 564239519993. The next prime is 564239520041. The reversal of 564239520023 is 320025932465.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-564239520023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564239520043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282119760011 + 282119760012.

It is an arithmetic number, because the mean of its divisors is an integer number (282119760012).

Almost surely, 2^564239520023 is an apocalyptic number.

564239520023 is a deficient number, since it is larger than the sum of its proper divisors (1).

564239520023 is an equidigital number, since it uses as much as digits as its factorization.

564239520023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 564239520023 in words is "five hundred sixty-four billion, two hundred thirty-nine million, five hundred twenty thousand, twenty-three".