23159699 has 2 divisors, whose sum is σ = 23159700. Its totient is φ = 23159698.

The previous prime is 23159681. The next prime is 23159707. The reversal of 23159699 is 99695132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23159699 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23159639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11579849 + 11579850.

It is an arithmetic number, because the mean of its divisors is an integer number (11579850).

Almost surely, 2^23159699 is an apocalyptic number.

23159699 is a deficient number, since it is larger than the sum of its proper divisors (1).

23159699 is an equidigital number, since it uses as much as digits as its factorization.

23159699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 131220, while the sum is 44.

The square root of 23159699 is about 4812.4524932720. The cubic root of 23159699 is about 285.0433872593.

The spelling of 23159699 in words is "twenty-three million, one hundred fifty-nine thousand, six hundred ninety-nine".