23648775 has 48 divisors (see below), whose sum is σ = 41247360. Its totient is φ = 11939200.

The previous prime is 23648771. The next prime is 23648777. The reversal of 23648775 is 57784632.

It is not a de Polignac number, because 23648775 - 2² = 23648771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23648771) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 180460 + ... + 180590.

It is an arithmetic number, because the mean of its divisors is an integer number (859320).

Almost surely, 2^23648775 is an apocalyptic number.

23648775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23648775 is a deficient number, since it is larger than the sum of its proper divisors (17598585).

23648775 is a wasteful number, since it uses less digits than its factorization.

23648775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 251 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 23648775 is about 4863.0006169031. Note that the first 3 decimals coincide. The cubic root of 23648775 is about 287.0358989845.

The spelling of 23648775 in words is "twenty-three million, six hundred forty-eight thousand, seven hundred seventy-five".