23979119 has 2 divisors, whose sum is σ = 23979120. Its totient is φ = 23979118.

The previous prime is 23979101. The next prime is 23979139. The reversal of 23979119 is 91197932.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23979119 - 2¹² = 23975023 is a prime.

It is a super-2 number, since 2×23979119² = 1149996296032322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23979139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11989559 + 11989560.

It is an arithmetic number, because the mean of its divisors is an integer number (11989560).

Almost surely, 2^23979119 is an apocalyptic number.

23979119 is a deficient number, since it is larger than the sum of its proper divisors (1).

23979119 is an equidigital number, since it uses as much as digits as its factorization.

23979119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30618, while the sum is 41.

The square root of 23979119 is about 4896.8478636772. The cubic root of 23979119 is about 288.3662353075.

The spelling of 23979119 in words is "twenty-three million, nine hundred seventy-nine thousand, one hundred nineteen".