23642944 has 56 divisors (see below), whose sum is σ = 51128168. Its totient is φ = 10782720.

The previous prime is 23642933. The next prime is 23642947. The reversal of 23642944 is 44924632.

It can be written as a sum of positive squares in 4 ways, for example, as 1440000 + 22202944 = 1200^2 + 4712^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23642947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130534 + ... + 130714.

It is an arithmetic number, because the mean of its divisors is an integer number (913003).

Almost surely, 2^23642944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23642944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25564084).

23642944 is an abundant number, since it is smaller than the sum of its proper divisors (27485224).

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

23642944 is a wasteful number, since it uses less digits than its factorization.

23642944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363 (or 353 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The square root of 23642944 is about 4862.4010529778. The cubic root of 23642944 is about 287.0123058821.

The spelling of 23642944 in words is "twenty-three million, six hundred forty-two thousand, nine hundred forty-four".