564731201023 has 4 divisors (see below), whose sum is σ = 616070401128. Its totient is φ = 513392000920.

The previous prime is 564731201003. The next prime is 564731201129. The reversal of 564731201023 is 320102137465.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 564731201023 - 2²¹ = 564729103871 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 564731201023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564731201003) 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 3 ways as a sum of consecutive naturals, for example, 25669600036 + ... + 25669600057.

It is an arithmetic number, because the mean of its divisors is an integer number (154017600282).

Almost surely, 2^564731201023 is an apocalyptic number.

564731201023 is a deficient number, since it is larger than the sum of its proper divisors (51339200105).

564731201023 is a wasteful number, since it uses less digits than its factorization.

564731201023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51339200104.

The product of its (nonzero) digits is 30240, while the sum is 34.

Adding to 564731201023 its reverse (320102137465), we get a palindrome (884833338488).

The spelling of 564731201023 in words is "five hundred sixty-four billion, seven hundred thirty-one million, two hundred one thousand, twenty-three".