565322020023 has 16 divisors (see below), whose sum is σ = 770861491200. Its totient is φ = 368426416800.

The previous prime is 565322020019. The next prime is 565322020031. The reversal of 565322020023 is 320020223565.

It is not a de Polignac number, because 565322020023 - 2² = 565322020019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565322020423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11784603 + ... + 11832476.

It is an arithmetic number, because the mean of its divisors is an integer number (48178843200).

Almost surely, 2^565322020023 is an apocalyptic number.

565322020023 is a deficient number, since it is larger than the sum of its proper divisors (205539471177).

565322020023 is a wasteful number, since it uses less digits than its factorization.

565322020023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23617262.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 565322020023 its reverse (320020223565), we get a palindrome (885342243588).

The spelling of 565322020023 in words is "five hundred sixty-five billion, three hundred twenty-two million, twenty thousand, twenty-three".