23133936 has 80 divisors (see below), whose sum is σ = 70535168. Its totient is φ = 6393600.

The previous prime is 23133899. The next prime is 23133937. The reversal of 23133936 is 63933132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23133937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9306 + ... + 11526.

Almost surely, 2^23133936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23133936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35267584).

23133936 is an abundant number, since it is smaller than the sum of its proper divisors (47401232).

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

23133936 is a wasteful number, since it uses less digits than its factorization.

23133936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270 (or 2264 counting only the distinct ones).

The product of its digits is 8748, while the sum is 30.

The square root of 23133936 is about 4809.7750467148. The cubic root of 23133936 is about 284.9376533365.

The spelling of 23133936 in words is "twenty-three million, one hundred thirty-three thousand, nine hundred thirty-six".