23213952 has 80 divisors (see below), whose sum is σ = 69115200. Its totient is φ = 7734528.

The previous prime is 23213951. The next prime is 23213987. The reversal of 23213952 is 25931232.

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 (23213951) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9249 + ... + 11487.

It is an arithmetic number, because the mean of its divisors is an integer number (863940).

Almost surely, 2^23213952 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 23213952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34557600).

23213952 is an abundant number, since it is smaller than the sum of its proper divisors (45901248).

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

23213952 is an equidigital number, since it uses as much as digits as its factorization.

23213952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265 (or 2244 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 23213952 is about 4818.0859270046. The cubic root of 23213952 is about 285.2657908277.

The spelling of 23213952 in words is "twenty-three million, two hundred thirteen thousand, nine hundred fifty-two".