23539079 has 2 divisors, whose sum is σ = 23539080. Its totient is φ = 23539078.

The previous prime is 23539073. The next prime is 23539111. The reversal of 23539079 is 97093532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23539079 - 2⁴ = 23539063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23539073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11769539 + 11769540.

It is an arithmetic number, because the mean of its divisors is an integer number (11769540).

Almost surely, 2^23539079 is an apocalyptic number.

23539079 is a deficient number, since it is larger than the sum of its proper divisors (1).

23539079 is an equidigital number, since it uses as much as digits as its factorization.

23539079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51030, while the sum is 38.

The square root of 23539079 is about 4851.7088742009. The cubic root of 23539079 is about 286.5914009783.

The spelling of 23539079 in words is "twenty-three million, five hundred thirty-nine thousand, seventy-nine".