23232320 has 56 divisors (see below), whose sum is σ = 56083200. Its totient is φ = 9165312.

The previous prime is 23232311. The next prime is 23232331. The reversal of 23232320 is 2323232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24821 + ... + 25739.

Almost surely, 2^23232320 is an apocalyptic number.

23232320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23232320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28041600).

23232320 is an abundant number, since it is smaller than the sum of its proper divisors (32850880).

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

23232320 is an equidigital number, since it uses as much as digits as its factorization.

23232320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015 (or 1005 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 23232320 is about 4819.9917012377. The cubic root of 23232320 is about 285.3410096827.

Adding to 23232320 its reverse (2323232), we get a palindrome (25555552).

The spelling of 23232320 in words is "twenty-three million, two hundred thirty-two thousand, three hundred twenty".