223423111 has 2 divisors, whose sum is σ = 223423112. Its totient is φ = 223423110.

The previous prime is 223423097. The next prime is 223423157. The reversal of 223423111 is 111324322.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 223423111 - 2¹¹ = 223421063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223423181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111711555 + 111711556.

It is an arithmetic number, because the mean of its divisors is an integer number (111711556).

Almost surely, 2^223423111 is an apocalyptic number.

223423111 is a deficient number, since it is larger than the sum of its proper divisors (1).

223423111 is an equidigital number, since it uses as much as digits as its factorization.

223423111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 19.

The square root of 223423111 is about 14947.3446136764. The cubic root of 223423111 is about 606.7959846223.

Adding to 223423111 its reverse (111324322), we get a palindrome (334747433).

The spelling of 223423111 in words is "two hundred twenty-three million, four hundred twenty-three thousand, one hundred eleven".