23438444 has 12 divisors (see below), whose sum is σ = 43430184. Its totient is φ = 11029824.

The previous prime is 23438423. The next prime is 23438447. The reversal of 23438444 is 44483432.

It is a super-2 number, since 2×23438444² = 1098721314282272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23438444.

It is not an unprimeable number, because it can be changed into a prime (23438447) 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, 172274 + ... + 172409.

It is an arithmetic number, because the mean of its divisors is an integer number (3619182).

Almost surely, 2^23438444 is an apocalyptic number.

It is an amenable number.

23438444 is a deficient number, since it is larger than the sum of its proper divisors (19991740).

23438444 is a wasteful number, since it uses less digits than its factorization.

23438444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344704 (or 344702 counting only the distinct ones).

The product of its digits is 36864, while the sum is 32.

The square root of 23438444 is about 4841.3266776783. The cubic root of 23438444 is about 286.1824027565.

The spelling of 23438444 in words is "twenty-three million, four hundred thirty-eight thousand, four hundred forty-four".