23979705 has 16 divisors (see below), whose sum is σ = 38444544. Its totient is φ = 12763520.

The previous prime is 23979689. The next prime is 23979713. The reversal of 23979705 is 50797932.

It is not a de Polignac number, because 23979705 - 2⁴ = 23979689 is a prime.

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, 7960 + ... + 10550.

It is an arithmetic number, because the mean of its divisors is an integer number (2402784).

Almost surely, 2^23979705 is an apocalyptic number.

It is an amenable number.

23979705 is a deficient number, since it is larger than the sum of its proper divisors (14464839).

23979705 is a wasteful number, since it uses less digits than its factorization.

23979705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216.

The product of its (nonzero) digits is 119070, while the sum is 42.

The square root of 23979705 is about 4896.9076977211. The cubic root of 23979705 is about 288.3685843128.

The spelling of 23979705 in words is "twenty-three million, nine hundred seventy-nine thousand, seven hundred five".