23422566522431 has 4 divisors (see below), whose sum is σ = 24440938979952. Its totient is φ = 22404194064912.

The previous prime is 23422566522371. The next prime is 23422566522469. The reversal of 23422566522431 is 13422566522432.

It is a happy number.

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 23422566522431 - 2³⁰ = 23421492780607 is a prime.

It is a super-2 number, since 2×23422566522431² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23422566522931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509186228726 + ... + 509186228771.

It is an arithmetic number, because the mean of its divisors is an integer number (6110234744988).

Almost surely, 2^{23422566522431} is an apocalyptic number.

23422566522431 is a deficient number, since it is larger than the sum of its proper divisors (1018372457521).

23422566522431 is a wasteful number, since it uses less digits than its factorization.

23422566522431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018372457520.

The product of its digits is 4147200, while the sum is 47.

Subtracting from 23422566522431 its reverse (13422566522432), we obtain a palindrome (9999999999999).

The spelling of 23422566522431 in words is "twenty-three trillion, four hundred twenty-two billion, five hundred sixty-six million, five hundred twenty-two thousand, four hundred thirty-one".