23271812 has 12 divisors (see below), whose sum is σ = 41299776. Its totient is φ = 11471880.

The previous prime is 23271803. The next prime is 23271817. The reversal of 23271812 is 21817232.

It is not an unprimeable number, because it can be changed into a prime (23271817) 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, 40688 + ... + 41255.

It is an arithmetic number, because the mean of its divisors is an integer number (3441648).

Almost surely, 2^23271812 is an apocalyptic number.

It is an amenable number.

23271812 is a deficient number, since it is larger than the sum of its proper divisors (18027964).

23271812 is a wasteful number, since it uses less digits than its factorization.

23271812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82018 (or 82016 counting only the distinct ones).

The product of its digits is 1344, while the sum is 26.

The square root of 23271812 is about 4824.0866493047. The cubic root of 23271812 is about 285.5025993427.

The spelling of 23271812 in words is "twenty-three million, two hundred seventy-one thousand, eight hundred twelve".