23705159 has 2 divisors, whose sum is σ = 23705160. Its totient is φ = 23705158.

The previous prime is 23705153. The next prime is 23705161. The reversal of 23705159 is 95150732.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23705159 is a prime.

Together with 23705161, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23705153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11852579 + 11852580.

It is an arithmetic number, because the mean of its divisors is an integer number (11852580).

Almost surely, 2^23705159 is an apocalyptic number.

23705159 is a deficient number, since it is larger than the sum of its proper divisors (1).

23705159 is an equidigital number, since it uses as much as digits as its factorization.

23705159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 23705159 is about 4868.7944092968. The cubic root of 23705159 is about 287.2638373147.

The spelling of 23705159 in words is "twenty-three million, seven hundred five thousand, one hundred fifty-nine".