23648990 has 32 divisors (see below), whose sum is σ = 44181504. Its totient is φ = 9108000.

The previous prime is 23648987. The next prime is 23649019. The reversal of 23648990 is 9984632.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31115 + ... + 31865.

It is an arithmetic number, because the mean of its divisors is an integer number (1380672).

Almost surely, 2^23648990 is an apocalyptic number.

23648990 is a deficient number, since it is larger than the sum of its proper divisors (20532514).

23648990 is a wasteful number, since it uses less digits than its factorization.

23648990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 23648990 is about 4863.0227225461. The cubic root of 23648990 is about 287.0367688326.

The spelling of 23648990 in words is "twenty-three million, six hundred forty-eight thousand, nine hundred ninety".