23311232 has 32 divisors (see below), whose sum is σ = 53076720. Its totient is φ = 9990144.

The previous prime is 23311219. The next prime is 23311237. The reversal of 23311232 is 23211332.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 23311232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23311237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12113 + ... + 13904.

Almost surely, 2^23311232 is an apocalyptic number.

It is an amenable number.

23311232 is an abundant number, since it is smaller than the sum of its proper divisors (29765488).

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

23311232 is an equidigital number, since it uses as much as digits as its factorization.

23311232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26038 (or 26026 counting only the distinct ones).

The product of its digits is 216, while the sum is 17.

The square root of 23311232 is about 4828.1706680688. The cubic root of 23311232 is about 285.6637121915.

Adding to 23311232 its reverse (23211332), we get a palindrome (46522564).

The spelling of 23311232 in words is "twenty-three million, three hundred eleven thousand, two hundred thirty-two".