23398159 has 2 divisors, whose sum is σ = 23398160. Its totient is φ = 23398158.

The previous prime is 23398147. The next prime is 23398163. The reversal of 23398159 is 95189332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23398159 - 2⁷ = 23398031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23398129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11699079 + 11699080.

It is an arithmetic number, because the mean of its divisors is an integer number (11699080).

Almost surely, 2^23398159 is an apocalyptic number.

23398159 is a deficient number, since it is larger than the sum of its proper divisors (1).

23398159 is an equidigital number, since it uses as much as digits as its factorization.

23398159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 40.

The square root of 23398159 is about 4837.1643552809. The cubic root of 23398159 is about 286.0183493533.

The spelling of 23398159 in words is "twenty-three million, three hundred ninety-eight thousand, one hundred fifty-nine".