23148317 has 4 divisors (see below), whose sum is σ = 23247900. Its totient is φ = 23048736.

The previous prime is 23148311. The next prime is 23148329. The reversal of 23148317 is 71384132.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12773476 + 10374841 = 3574^2 + 3221^2 .

It is a cyclic number.

It is not a de Polignac number, because 23148317 - 2²⁰ = 22099741 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23148317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23148311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49442 + ... + 49907.

It is an arithmetic number, because the mean of its divisors is an integer number (5811975).

Almost surely, 2^23148317 is an apocalyptic number.

It is an amenable number.

23148317 is a deficient number, since it is larger than the sum of its proper divisors (99583).

23148317 is an equidigital number, since it uses as much as digits as its factorization.

23148317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99582.

The product of its digits is 4032, while the sum is 29.

The square root of 23148317 is about 4811.2697908141. The cubic root of 23148317 is about 284.9966840694.

The spelling of 23148317 in words is "twenty-three million, one hundred forty-eight thousand, three hundred seventeen".