223542317 has 2 divisors, whose sum is σ = 223542318. Its totient is φ = 223542316.

The previous prime is 223542311. The next prime is 223542329. The reversal of 223542317 is 713245322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182952676 + 40589641 = 13526^2 + 6371^2 .

It is a cyclic number.

It is not a de Polignac number, because 223542317 - 2¹⁰ = 223541293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 223542317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223542311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111771158 + 111771159.

It is an arithmetic number, because the mean of its divisors is an integer number (111771159).

Almost surely, 2^223542317 is an apocalyptic number.

It is an amenable number.

223542317 is a deficient number, since it is larger than the sum of its proper divisors (1).

223542317 is an equidigital number, since it uses as much as digits as its factorization.

223542317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 29.

The square root of 223542317 is about 14951.3316129367. The cubic root of 223542317 is about 606.9038828328.

Adding to 223542317 its reverse (713245322), we get a palindrome (936787639).

The spelling of 223542317 in words is "two hundred twenty-three million, five hundred forty-two thousand, three hundred seventeen".