23111232 has 28 divisors (see below), whose sum is σ = 61148976. Its totient is φ = 7703680.

The previous prime is 23111219. The next prime is 23111237. The reversal of 23111232 is 23211132.

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 (23111237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59994 + ... + 60377.

It is an arithmetic number, because the mean of its divisors is an integer number (2183892).

Almost surely, 2^23111232 is an apocalyptic number.

It is an amenable number.

23111232 is an abundant number, since it is smaller than the sum of its proper divisors (38037744).

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

23111232 is a wasteful number, since it uses less digits than its factorization.

23111232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120386 (or 120376 counting only the distinct ones).

The product of its digits is 72, while the sum is 15.

The square root of 23111232 is about 4807.4142738067. The cubic root of 23111232 is about 284.8444087633.

Adding to 23111232 its reverse (23211132), we get a palindrome (46322364).

The spelling of 23111232 in words is "twenty-three million, one hundred eleven thousand, two hundred thirty-two".