23899712 has 56 divisors (see below), whose sum is σ = 49987200. Its totient is φ = 11321856.

The previous prime is 23899699. The next prime is 23899721. The reversal of 23899712 is 21799832.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 23899712.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 146543 + ... + 146705.

Almost surely, 2^23899712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23899712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24993600).

23899712 is an abundant number, since it is smaller than the sum of its proper divisors (26087488).

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

23899712 is a wasteful number, since it uses less digits than its factorization.

23899712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 273 counting only the distinct ones).

The product of its digits is 54432, while the sum is 41.

The square root of 23899712 is about 4888.7331692372. The cubic root of 23899712 is about 288.0475744453.

The spelling of 23899712 in words is "twenty-three million, eight hundred ninety-nine thousand, seven hundred twelve".