6564430023 has 16 divisors (see below), whose sum is σ = 9613812480. Its totient is φ = 3965696064.

The previous prime is 6564429967. The next prime is 6564430129. The reversal of 6564430023 is 3200344656.

It is not a de Polignac number, because 6564430023 - 2¹⁰ = 6564428999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6564430423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2502286 + ... + 2504907.

It is an arithmetic number, because the mean of its divisors is an integer number (600863280).

Almost surely, 2^6564430023 is an apocalyptic number.

6564430023 is a deficient number, since it is larger than the sum of its proper divisors (3049382457).

6564430023 is a wasteful number, since it uses less digits than its factorization.

6564430023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5007238.

The product of its (nonzero) digits is 51840, while the sum is 33.

The square root of 6564430023 is about 81021.1702149506. The cubic root of 6564430023 is about 1872.4016178109.

Adding to 6564430023 its reverse (3200344656), we get a palindrome (9764774679).

The spelling of 6564430023 in words is "six billion, five hundred sixty-four million, four hundred thirty thousand, twenty-three".