23004399 has 24 divisors (see below), whose sum is σ = 34048000. Its totient is φ = 13804560.

The previous prime is 23004391. The next prime is 23004409. The reversal of 23004399 is 99340032.

It is not a de Polignac number, because 23004399 - 2³ = 23004391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23004391) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45852 + ... + 46350.

Almost surely, 2^23004399 is an apocalyptic number.

23004399 is a deficient number, since it is larger than the sum of its proper divisors (11043601).

23004399 is a wasteful number, since it uses less digits than its factorization.

23004399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 23004399 is about 4796.2901288392. The cubic root of 23004399 is about 284.4048275118.

The spelling of 23004399 in words is "twenty-three million, four thousand, three hundred ninety-nine".