23073136 has 10 divisors (see below), whose sum is σ = 44704232. Its totient is φ = 11536560.

The previous prime is 23073121. The next prime is 23073137. The reversal of 23073136 is 63137032.

It is a self number, because there is not a number n which added to its sum of digits gives 23073136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23073137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721020 + ... + 721051.

Almost surely, 2^23073136 is an apocalyptic number.

It is an amenable number.

23073136 is a deficient number, since it is larger than the sum of its proper divisors (21631096).

23073136 is a wasteful number, since it uses less digits than its factorization.

23073136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442079 (or 1442073 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 23073136 is about 4803.4504265163. The cubic root of 23073136 is about 284.6878124601.

The spelling of 23073136 in words is "twenty-three million, seventy-three thousand, one hundred thirty-six".