23102159 has 4 divisors (see below), whose sum is σ = 23124840. Its totient is φ = 23079480.

The previous prime is 23102141. The next prime is 23102213. The reversal of 23102159 is 95120132.

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 23102159 - 2¹⁶ = 23036623 is a prime.

It is a super-2 number, since 2×23102159² = 1067419500922562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23102129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9737 + ... + 11874.

It is an arithmetic number, because the mean of its divisors is an integer number (5781210).

Almost surely, 2^23102159 is an apocalyptic number.

23102159 is a deficient number, since it is larger than the sum of its proper divisors (22681).

23102159 is a wasteful number, since it uses less digits than its factorization.

23102159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22680.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 23102159 is about 4806.4705346023. The cubic root of 23102159 is about 284.8071291757.

The spelling of 23102159 in words is "twenty-three million, one hundred two thousand, one hundred fifty-nine".