23136984 has 96 divisors (see below), whose sum is σ = 71089200. Its totient is φ = 6739200.

The previous prime is 23136977. The next prime is 23137001. The reversal of 23136984 is 48963132.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17134 + ... + 18434.

Almost surely, 2^23136984 is an apocalyptic number.

23136984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23136984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35544600).

23136984 is an abundant number, since it is smaller than the sum of its proper divisors (47952216).

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

23136984 is a wasteful number, since it uses less digits than its factorization.

23136984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345 (or 1338 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 23136984 is about 4810.0918910141. The cubic root of 23136984 is about 284.9501667256.

The spelling of 23136984 in words is "twenty-three million, one hundred thirty-six thousand, nine hundred eighty-four".