23391079 has 2 divisors, whose sum is σ = 23391080. Its totient is φ = 23391078.

The previous prime is 23391061. The next prime is 23391089. The reversal of 23391079 is 97019332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23391079 - 2⁵ = 23391047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23391089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11695539 + 11695540.

It is an arithmetic number, because the mean of its divisors is an integer number (11695540).

Almost surely, 2^23391079 is an apocalyptic number.

23391079 is a deficient number, since it is larger than the sum of its proper divisors (1).

23391079 is an equidigital number, since it uses as much as digits as its factorization.

23391079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 23391079 is about 4836.4324661883. The cubic root of 23391079 is about 285.9894978783.

The spelling of 23391079 in words is "twenty-three million, three hundred ninety-one thousand, seventy-nine".