23321232 has 60 divisors (see below), whose sum is σ = 71205264. Its totient is φ = 7066560.

The previous prime is 23321231. The next prime is 23321261. The reversal of 23321232 is 23212332.

It is a happy number.

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.

It is not an unprimeable number, because it can be changed into a prime (23321231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5778 + ... + 8945.

Almost surely, 2^23321232 is an apocalyptic number.

23321232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23321232 is an abundant number, since it is smaller than the sum of its proper divisors (47884032).

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

23321232 is a wasteful number, since it uses less digits than its factorization.

23321232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14748 (or 14739 counting only the distinct ones).

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

The square root of 23321232 is about 4829.2061459416. The cubic root of 23321232 is about 285.7045541447.

Adding to 23321232 its reverse (23212332), we get a palindrome (46533564).

Subtracting from 23321232 its reverse (23212332), we obtain a square (108900 = 330²).

The spelling of 23321232 in words is "twenty-three million, three hundred twenty-one thousand, two hundred thirty-two".