23648839 has 8 divisors (see below), whose sum is σ = 24271632. Its totient is φ = 23029440.

The previous prime is 23648831. The next prime is 23648851. The reversal of 23648839 is 93884632.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23648839 - 2³ = 23648831 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23648795 and 23648804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23648831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19227 + ... + 20419.

It is an arithmetic number, because the mean of its divisors is an integer number (3033954).

Almost surely, 2^23648839 is an apocalyptic number.

23648839 is a deficient number, since it is larger than the sum of its proper divisors (622793).

23648839 is a wasteful number, since it uses less digits than its factorization.

23648839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697.

The product of its digits is 248832, while the sum is 43.

The square root of 23648839 is about 4863.0071971980. The cubic root of 23648839 is about 287.0361579166.

The spelling of 23648839 in words is "twenty-three million, six hundred forty-eight thousand, eight hundred thirty-nine".