223443361 has 2 divisors, whose sum is σ = 223443362. Its totient is φ = 223443360.

The previous prime is 223443293. The next prime is 223443371. The reversal of 223443361 is 163344322.

223443361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139830625 + 83612736 = 11825^2 + 9144^2 .

It is a cyclic number.

It is not a de Polignac number, because 223443361 - 2¹¹ = 223441313 is a prime.

It is not a weakly prime, because it can be changed into another prime (223443371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111721680 + 111721681.

It is an arithmetic number, because the mean of its divisors is an integer number (111721681).

Almost surely, 2^223443361 is an apocalyptic number.

It is an amenable number.

223443361 is a deficient number, since it is larger than the sum of its proper divisors (1).

223443361 is an equidigital number, since it uses as much as digits as its factorization.

223443361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 28.

The square root of 223443361 is about 14948.0219761680. The cubic root of 223443361 is about 606.8143164285.

Adding to 223443361 its reverse (163344322), we get a palindrome (386787683).

The spelling of 223443361 in words is "two hundred twenty-three million, four hundred forty-three thousand, three hundred sixty-one".