23442456 has 32 divisors (see below), whose sum is σ = 62054640. Its totient is φ = 7354368.

The previous prime is 23442449. The next prime is 23442457. The reversal of 23442456 is 65424432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23442457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28321 + ... + 29136.

Almost surely, 2^23442456 is an apocalyptic number.

It is an amenable number.

23442456 is an abundant number, since it is smaller than the sum of its proper divisors (38612184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23442456 is a wasteful number, since it uses less digits than its factorization.

23442456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57483 (or 57479 counting only the distinct ones).

The product of its digits is 23040, while the sum is 30.

The square root of 23442456 is about 4841.7410091825. The cubic root of 23442456 is about 286.1987306080.

Adding to 23442456 its reverse (65424432), we get a palindrome (88866888).

The spelling of 23442456 in words is "twenty-three million, four hundred forty-two thousand, four hundred fifty-six".