23269979 has 2 divisors, whose sum is σ = 23269980. Its totient is φ = 23269978.

The previous prime is 23269973. The next prime is 23269993. The reversal of 23269979 is 97996232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23269979 - 2²⁴ = 6492763 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23269973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11634989 + 11634990.

It is an arithmetic number, because the mean of its divisors is an integer number (11634990).

Almost surely, 2^23269979 is an apocalyptic number.

23269979 is a deficient number, since it is larger than the sum of its proper divisors (1).

23269979 is an equidigital number, since it uses as much as digits as its factorization.

23269979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 367416, while the sum is 47.

The square root of 23269979 is about 4823.8966614139. The cubic root of 23269979 is about 285.4951032926.

The spelling of 23269979 in words is "twenty-three million, two hundred sixty-nine thousand, nine hundred seventy-nine".