23317279 has 2 divisors, whose sum is σ = 23317280. Its totient is φ = 23317278.

The previous prime is 23317277. The next prime is 23317337. The reversal of 23317279 is 97271332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23317279 - 2¹ = 23317277 is a prime.

Together with 23317277, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23317277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11658639 + 11658640.

It is an arithmetic number, because the mean of its divisors is an integer number (11658640).

Almost surely, 2^23317279 is an apocalyptic number.

23317279 is a deficient number, since it is larger than the sum of its proper divisors (1).

23317279 is an equidigital number, since it uses as much as digits as its factorization.

23317279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15876, while the sum is 34.

The square root of 23317279 is about 4828.7968480772. The cubic root of 23317279 is about 285.6884107163.

The spelling of 23317279 in words is "twenty-three million, three hundred seventeen thousand, two hundred seventy-nine".