23136252 has 48 divisors (see below), whose sum is σ = 59657472. Its totient is φ = 6941440.

The previous prime is 23136247. The next prime is 23136299. The reversal of 23136252 is 25263132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2227 + ... + 7157.

It is an arithmetic number, because the mean of its divisors is an integer number (1242864).

Almost surely, 2^23136252 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 23136252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29828736).

23136252 is an abundant number, since it is smaller than the sum of its proper divisors (36521220).

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

23136252 is a wasteful number, since it uses less digits than its factorization.

23136252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4978 (or 4976 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 23136252 is about 4810.0158003898. The cubic root of 23136252 is about 284.9471616419.

Adding to 23136252 its reverse (25263132), we get a palindrome (48399384).

The spelling of 23136252 in words is "twenty-three million, one hundred thirty-six thousand, two hundred fifty-two".