23649668 has 12 divisors (see below), whose sum is σ = 47299392. Its totient is φ = 10135560.

The previous prime is 23649631. The next prime is 23649679. The reversal of 23649668 is 86694632.

23649668 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422288 + ... + 422343.

It is an arithmetic number, because the mean of its divisors is an integer number (3941616).

Almost surely, 2^23649668 is an apocalyptic number.

23649668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23649668 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23649668 is a wasteful number, since it uses less digits than its factorization.

23649668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844642 (or 844640 counting only the distinct ones).

The product of its digits is 373248, while the sum is 44.

The square root of 23649668 is about 4863.0924317763. The cubic root of 23649668 is about 287.0395118542.

The spelling of 23649668 in words is "twenty-three million, six hundred forty-nine thousand, six hundred sixty-eight".