223312417 has 2 divisors, whose sum is σ = 223312418. Its totient is φ = 223312416.

The previous prime is 223312393. The next prime is 223312433. The reversal of 223312417 is 714213322.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123632161 + 99680256 = 11119^2 + 9984^2 .

It is a cyclic number.

It is not a de Polignac number, because 223312417 - 2¹¹ = 223310369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223312391 and 223312400.

It is not a weakly prime, because it can be changed into another prime (223312477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111656208 + 111656209.

It is an arithmetic number, because the mean of its divisors is an integer number (111656209).

Almost surely, 2^223312417 is an apocalyptic number.

It is an amenable number.

223312417 is a deficient number, since it is larger than the sum of its proper divisors (1).

223312417 is an equidigital number, since it uses as much as digits as its factorization.

223312417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 25.

The square root of 223312417 is about 14943.6413567778. The cubic root of 223312417 is about 606.6957565986.

Adding to 223312417 its reverse (714213322), we get a palindrome (937525739).

It can be divided in two parts, 223312 and 417, that added together give a square (223729 = 473²).

The spelling of 223312417 in words is "two hundred twenty-three million, three hundred twelve thousand, four hundred seventeen".