23979117 has 8 divisors (see below), whose sum is σ = 32289120. Its totient is φ = 15827600.

The previous prime is 23979101. The next prime is 23979119. The reversal of 23979117 is 71197932.

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 23979117 - 2⁴ = 23979101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23979119) 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, 39267 + ... + 39872.

It is an arithmetic number, because the mean of its divisors is an integer number (4036140).

Almost surely, 2^23979117 is an apocalyptic number.

It is an amenable number.

23979117 is a deficient number, since it is larger than the sum of its proper divisors (8310003).

23979117 is a wasteful number, since it uses less digits than its factorization.

23979117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79243.

The product of its digits is 23814, while the sum is 39.

The square root of 23979117 is about 4896.8476594642. The cubic root of 23979117 is about 288.3662272903.

The spelling of 23979117 in words is "twenty-three million, nine hundred seventy-nine thousand, one hundred seventeen".