23253156 has 72 divisors (see below), whose sum is σ = 62375040. Its totient is φ = 7571232.

The previous prime is 23253151. The next prime is 23253163. The reversal of 23253156 is 65135232.

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

It is not an unprimeable number, because it can be changed into a prime (23253151) 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, 45430 + ... + 45938.

It is an arithmetic number, because the mean of its divisors is an integer number (866320).

Almost surely, 2^23253156 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 23253156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31187520).

23253156 is an abundant number, since it is smaller than the sum of its proper divisors (39121884).

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

23253156 is a wasteful number, since it uses less digits than its factorization.

23253156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575 (or 561 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 23253156 is about 4822.1526313463. The cubic root of 23253156 is about 285.4262872729.

Adding to 23253156 its reverse (65135232), we get a palindrome (88388388).

It can be divided in two parts, 23253 and 156, that added together give a square (23409 = 153²).

The spelling of 23253156 in words is "twenty-three million, two hundred fifty-three thousand, one hundred fifty-six".