23642232 has 64 divisors (see below), whose sum is σ = 62832000. Its totient is φ = 7392384.

The previous prime is 23642191. The next prime is 23642239. The reversal of 23642232 is 23224632.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23642239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63198 + ... + 63570.

It is an arithmetic number, because the mean of its divisors is an integer number (981750).

Almost surely, 2^23642232 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 23642232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31416000).

23642232 is an abundant number, since it is smaller than the sum of its proper divisors (39189768).

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

23642232 is a wasteful number, since it uses less digits than its factorization.

23642232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 536 counting only the distinct ones).

The product of its digits is 3456, while the sum is 24.

The square root of 23642232 is about 4862.3278375692. The cubic root of 23642232 is about 287.0094247574.

Adding to 23642232 its reverse (23224632), we get a palindrome (46866864).

It can be divided in two parts, 2364223 and 2, that added together give a triangular number (2364225 = T₂₁₇₄).

The spelling of 23642232 in words is "twenty-three million, six hundred forty-two thousand, two hundred thirty-two".