23995812 has 12 divisors (see below), whose sum is σ = 55990256. Its totient is φ = 7998600.

The previous prime is 23995793. The next prime is 23995813. The reversal of 23995812 is 21859932.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (23995813) 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, 999814 + ... + 999837.

Almost surely, 2^23995812 is an apocalyptic number.

It is an amenable number.

23995812 is an abundant number, since it is smaller than the sum of its proper divisors (31994444).

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

23995812 is a wasteful number, since it uses less digits than its factorization.

23995812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999658 (or 1999656 counting only the distinct ones).

The product of its digits is 38880, while the sum is 39.

The square root of 23995812 is about 4898.5520309577. The cubic root of 23995812 is about 288.4331349155.

The spelling of 23995812 in words is "twenty-three million, nine hundred ninety-five thousand, eight hundred twelve".