23132988 has 36 divisors (see below), whose sum is σ = 61916400. Its totient is φ = 7257216.

The previous prime is 23132953. The next prime is 23132999. The reversal of 23132988 is 88923132.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18288 + ... + 19511.

It is an arithmetic number, because the mean of its divisors is an integer number (1719900).

Almost surely, 2^23132988 is an apocalyptic number.

It is an amenable number.

23132988 is an abundant number, since it is smaller than the sum of its proper divisors (38783412).

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

23132988 is a wasteful number, since it uses less digits than its factorization.

23132988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37826 (or 37821 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 23132988 is about 4809.6764963977. The cubic root of 23132988 is about 284.9337611528.

The spelling of 23132988 in words is "twenty-three million, one hundred thirty-two thousand, nine hundred eighty-eight".