23130317 has 4 divisors (see below), whose sum is σ = 26434656. Its totient is φ = 19825980.

The previous prime is 23130287. The next prime is 23130323. The reversal of 23130317 is 71303132.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23130317 - 2⁶ = 23130253 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 (23130347) 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, 1652159 + ... + 1652172.

It is an arithmetic number, because the mean of its divisors is an integer number (6608664).

Almost surely, 2^23130317 is an apocalyptic number.

It is an amenable number.

23130317 is a deficient number, since it is larger than the sum of its proper divisors (3304339).

23130317 is an equidigital number, since it uses as much as digits as its factorization.

23130317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3304338.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 23130317 is about 4809.3988189794. The cubic root of 23130317 is about 284.9227943123.

Adding to 23130317 its reverse (71303132), we get a palindrome (94433449).

The spelling of 23130317 in words is "twenty-three million, one hundred thirty thousand, three hundred seventeen".