23724252 has 60 divisors (see below), whose sum is σ = 63728280. Its totient is φ = 7690464.

The previous prime is 23724251. The next prime is 23724271. The reversal of 23724252 is 25242732.

23724252 is a `hidden beast` number, since 237 + 2 + 425 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23724251) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10999 + ... + 12977.

It is an arithmetic number, because the mean of its divisors is an integer number (1062138).

Almost surely, 2^23724252 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 23724252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31864140).

23724252 is an abundant number, since it is smaller than the sum of its proper divisors (40004028).

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

23724252 is a wasteful number, since it uses less digits than its factorization.

23724252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032 (or 2021 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 23724252 is about 4870.7547669740. The cubic root of 23724252 is about 287.3409408764.

Adding to 23724252 its reverse (25242732), we get a palindrome (48966984).

The spelling of 23724252 in words is "twenty-three million, seven hundred twenty-four thousand, two hundred fifty-two".