23040172 has 12 divisors (see below), whose sum is σ = 40354776. Its totient is φ = 11510240.

The previous prime is 23040167. The next prime is 23040209. The reversal of 23040172 is 27104032.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6147 + ... + 9157.

It is an arithmetic number, because the mean of its divisors is an integer number (3362898).

Almost surely, 2^23040172 is an apocalyptic number.

It is an amenable number.

23040172 is a deficient number, since it is larger than the sum of its proper divisors (17314604).

23040172 is a wasteful number, since it uses less digits than its factorization.

23040172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4928 (or 4926 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 23040172 is about 4800.0179166332. The cubic root of 23040172 is about 284.5521724427.

The spelling of 23040172 in words is "twenty-three million, forty thousand, one hundred seventy-two".