23422443 has 16 divisors (see below), whose sum is σ = 34991616. Its totient is φ = 13811040.

The previous prime is 23422423. The next prime is 23422471. The reversal of 23422443 is 34422432.

It is not a de Polignac number, because 23422443 - 2²⁰ = 22373867 is a prime.

It is a super-2 number, since 2×23422443² = 1097221672176498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23422423) 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, 8371 + ... + 10812.

It is an arithmetic number, because the mean of its divisors is an integer number (2186976).

Almost surely, 2^23422443 is an apocalyptic number.

23422443 is a deficient number, since it is larger than the sum of its proper divisors (11569173).

23422443 is a wasteful number, since it uses less digits than its factorization.

23422443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19234.

The product of its digits is 4608, while the sum is 24.

The square root of 23422443 is about 4839.6738526475. The cubic root of 23422443 is about 286.1172640885.

Adding to 23422443 its reverse (34422432), we get a palindrome (57844875).

The spelling of 23422443 in words is "twenty-three million, four hundred twenty-two thousand, four hundred forty-three".