23913705 has 16 divisors (see below), whose sum is σ = 38787840. Its totient is φ = 12578688.

The previous prime is 23913691. The next prime is 23913727. The reversal of 23913705 is 50731932.

It is not a de Polignac number, because 23913705 - 2⁴ = 23913689 is a prime.

It is a Curzon 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, 9825 + ... + 12014.

It is an arithmetic number, because the mean of its divisors is an integer number (2424240).

Almost surely, 2^23913705 is an apocalyptic number.

It is an amenable number.

23913705 is a deficient number, since it is larger than the sum of its proper divisors (14874135).

23913705 is a wasteful number, since it uses less digits than its factorization.

23913705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21920.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 23913705 is about 4890.1641076757. The cubic root of 23913705 is about 288.1037796321.

The spelling of 23913705 in words is "twenty-three million, nine hundred thirteen thousand, seven hundred five".