23135159 has 4 divisors (see below), whose sum is σ = 23237304. Its totient is φ = 23033016.

The previous prime is 23135153. The next prime is 23135191. The reversal of 23135159 is 95153132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23135159 - 2²⁴ = 6357943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23135153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50732 + ... + 51185.

It is an arithmetic number, because the mean of its divisors is an integer number (5809326).

Almost surely, 2^23135159 is an apocalyptic number.

23135159 is a deficient number, since it is larger than the sum of its proper divisors (102145).

23135159 is a wasteful number, since it uses less digits than its factorization.

23135159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102144.

The product of its digits is 4050, while the sum is 29.

The square root of 23135159 is about 4809.9021819575. The cubic root of 23135159 is about 284.9426744248.

The spelling of 23135159 in words is "twenty-three million, one hundred thirty-five thousand, one hundred fifty-nine".