23310252 has 72 divisors (see below), whose sum is σ = 67800096. Its totient is φ = 6614784.

The previous prime is 23310241. The next prime is 23310253. The reversal of 23310252 is 25201332.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (23310253) 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, 58518 + ... + 58914.

It is an arithmetic number, because the mean of its divisors is an integer number (941668).

Almost surely, 2^23310252 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 23310252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33900048).

23310252 is an abundant number, since it is smaller than the sum of its proper divisors (44489844).

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

23310252 is a wasteful number, since it uses less digits than its factorization.

23310252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 23310252 is about 4828.0691792890. The cubic root of 23310252 is about 285.6597090517.

Adding to 23310252 its reverse (25201332), we get a palindrome (48511584).

The spelling of 23310252 in words is "twenty-three million, three hundred ten thousand, two hundred fifty-two".