23648913 has 6 divisors (see below), whose sum is σ = 34159554. Its totient is φ = 15765936.

The previous prime is 23648881. The next prime is 23648951. The reversal of 23648913 is 31984632.

23648913 is a `hidden beast` number, since 2 + 3 + 648 + 9 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 23648769 + 144 = 4863^2 + 12^2 .

It is not a de Polignac number, because 23648913 - 2⁵ = 23648881 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23648953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1313820 + ... + 1313837.

It is an arithmetic number, because the mean of its divisors is an integer number (5693259).

Almost surely, 2^23648913 is an apocalyptic number.

It is an amenable number.

23648913 is a deficient number, since it is larger than the sum of its proper divisors (10510641).

23648913 is a wasteful number, since it uses less digits than its factorization.

23648913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2627663 (or 2627660 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 23648913 is about 4863.0148056530. The cubic root of 23648913 is about 287.0364573062.

The spelling of 23648913 in words is "twenty-three million, six hundred forty-eight thousand, nine hundred thirteen".