23044638 has 24 divisors (see below), whose sum is σ = 46668888. Its totient is φ = 7585888.

The previous prime is 23044631. The next prime is 23044657. The reversal of 23044638 is 83644032.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23044631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133120 + ... + 133292.

It is an arithmetic number, because the mean of its divisors is an integer number (1944537).

Almost surely, 2^23044638 is an apocalyptic number.

23044638 is an abundant number, since it is smaller than the sum of its proper divisors (23624250).

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

23044638 is a wasteful number, since it uses less digits than its factorization.

23044638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 23044638 is about 4800.4831006889. The cubic root of 23044638 is about 284.5705566790.

The spelling of 23044638 in words is "twenty-three million, forty-four thousand, six hundred thirty-eight".