23444131 has 2 divisors, whose sum is σ = 23444132. Its totient is φ = 23444130.

The previous prime is 23444089. The next prime is 23444137. The reversal of 23444131 is 13144432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23444131 - 2²¹ = 21346979 is a prime.

It is a super-2 number, since 2×23444131² = 1099254556690322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23444137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11722065 + 11722066.

It is an arithmetic number, because the mean of its divisors is an integer number (11722066).

Almost surely, 2^23444131 is an apocalyptic number.

23444131 is a deficient number, since it is larger than the sum of its proper divisors (1).

23444131 is an equidigital number, since it uses as much as digits as its factorization.

23444131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 22.

The square root of 23444131 is about 4841.9139810616. The cubic root of 23444131 is about 286.2055468940.

Adding to 23444131 its reverse (13144432), we get a palindrome (36588563).

The spelling of 23444131 in words is "twenty-three million, four hundred forty-four thousand, one hundred thirty-one".