564020023 has 8 divisors (see below), whose sum is σ = 644740992. Its totient is φ = 483335736.

The previous prime is 564020021. The next prime is 564020027. The reversal of 564020023 is 320020465.

It is a happy number.

564020023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 564020023 - 2¹ = 564020021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 564019976 and 564020003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564020021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45636 + ... + 56662.

It is an arithmetic number, because the mean of its divisors is an integer number (80592624).

Almost surely, 2^564020023 is an apocalyptic number.

564020023 is a deficient number, since it is larger than the sum of its proper divisors (80720969).

564020023 is a wasteful number, since it uses less digits than its factorization.

564020023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18341.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 564020023 is about 23749.1057305323. The cubic root of 564020023 is about 826.2246998157.

Adding to 564020023 its reverse (320020465), we get a palindrome (884040488).

The spelling of 564020023 in words is "five hundred sixty-four million, twenty thousand, twenty-three".