23231232 has 72 divisors (see below), whose sum is σ = 68719280. Its totient is φ = 7741440.

The previous prime is 23231213. The next prime is 23231237. The reversal of 23231232 is 23213232.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

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

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is not an unprimeable number, because it can be changed into a prime (23231237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5232 + ... + 8592.

Almost surely, 2^23231232 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 23231232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34359640).

23231232 is an abundant number, since it is smaller than the sum of its proper divisors (45488048).

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

23231232 is an equidigital number, since it uses as much as digits as its factorization.

23231232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3386 (or 3366 counting only the distinct ones).

The product of its digits is 432, while the sum is 18.

The square root of 23231232 is about 4819.8788366514. The cubic root of 23231232 is about 285.3365553154.

Adding to 23231232 its reverse (23213232), we get a palindrome (46444464).

The spelling of 23231232 in words is "twenty-three million, two hundred thirty-one thousand, two hundred thirty-two".