23072988 has 12 divisors (see below), whose sum is σ = 53837000. Its totient is φ = 7690992.

The previous prime is 23072981. The next prime is 23072989. The reversal of 23072988 is 88927032.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) 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 (23072981) 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, 961363 + ... + 961386.

Almost surely, 2^23072988 is an apocalyptic number.

It is an amenable number.

23072988 is an abundant number, since it is smaller than the sum of its proper divisors (30764012).

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

23072988 is a wasteful number, since it uses less digits than its factorization.

23072988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922756 (or 1922754 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 23072988 is about 4803.4350208991. The cubic root of 23072988 is about 284.6872037596.

The spelling of 23072988 in words is "twenty-three million, seventy-two thousand, nine hundred eighty-eight".