23979722 has 16 divisors (see below), whose sum is σ = 38885280. Its totient is φ = 11025072.

The previous prime is 23979721. The next prime is 23979733. The reversal of 23979722 is 22797932.

It is a self number, because there is not a number n which added to its sum of digits gives 23979722.

It is not an unprimeable number, because it can be changed into a prime (23979721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5729 + ... + 8987.

It is an arithmetic number, because the mean of its divisors is an integer number (2430330).

Almost surely, 2^23979722 is an apocalyptic number.

23979722 is a deficient number, since it is larger than the sum of its proper divisors (14905558).

23979722 is a wasteful number, since it uses less digits than its factorization.

23979722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3557.

The product of its digits is 95256, while the sum is 41.

The square root of 23979722 is about 4896.9094335101. The cubic root of 23979722 is about 288.3686524575.

The spelling of 23979722 in words is "twenty-three million, nine hundred seventy-nine thousand, seven hundred twenty-two".