223130317 has 2 divisors, whose sum is σ = 223130318. Its totient is φ = 223130316.

The previous prime is 223130309. The next prime is 223130329. The reversal of 223130317 is 713031322.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123010281 + 100120036 = 11091^2 + 10006^2 .

It is a cyclic number.

It is not a de Polignac number, because 223130317 - 2³ = 223130309 is a prime.

It is a super-3 number, since 3×223130317³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223130377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111565158 + 111565159.

It is an arithmetic number, because the mean of its divisors is an integer number (111565159).

Almost surely, 2^223130317 is an apocalyptic number.

It is an amenable number.

223130317 is a deficient number, since it is larger than the sum of its proper divisors (1).

223130317 is an equidigital number, since it uses as much as digits as its factorization.

223130317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 223130317 is about 14937.5472216827. The cubic root of 223130317 is about 606.5308018349.

Adding to 223130317 its reverse (713031322), we get a palindrome (936161639).

The spelling of 223130317 in words is "two hundred twenty-three million, one hundred thirty thousand, three hundred seventeen".