23451252 has 72 divisors (see below), whose sum is σ = 62205696. Its totient is φ = 6864000.

The previous prime is 23451223. The next prime is 23451257. The reversal of 23451252 is 25215432.

It is a super-2 number, since 2×23451252² = 1099922440735008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23451257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44752 + ... + 45272.

It is an arithmetic number, because the mean of its divisors is an integer number (863968).

Almost surely, 2^23451252 is an apocalyptic number.

23451252 is a gapful number since it is divisible by the number (22) 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 23451252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31102848).

23451252 is an abundant number, since it is smaller than the sum of its proper divisors (38754444).

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

23451252 is a wasteful number, since it uses less digits than its factorization.

23451252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581 (or 568 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 23451252 is about 4842.6492749321. The cubic root of 23451252 is about 286.2345216423.

Adding to 23451252 its reverse (25215432), we get a palindrome (48666684).

The spelling of 23451252 in words is "twenty-three million, four hundred fifty-one thousand, two hundred fifty-two".