123222223 has 2 divisors, whose sum is σ = 123222224. Its totient is φ = 123222222.

The previous prime is 123222217. The next prime is 123222233. The reversal of 123222223 is 322222321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123222223 - 2¹⁷ = 123091151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123222223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123222233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61611111 + 61611112.

It is an arithmetic number, because the mean of its divisors is an integer number (61611112).

Almost surely, 2^123222223 is an apocalyptic number.

123222223 is a deficient number, since it is larger than the sum of its proper divisors (1).

123222223 is an equidigital number, since it uses as much as digits as its factorization.

123222223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 19.

The square root of 123222223 is about 11100.5505719311. The cubic root of 123222223 is about 497.6183037259.

Adding to 123222223 its reverse (322222321), we get a palindrome (445444544).

The spelling of 123222223 in words is "one hundred twenty-three million, two hundred twenty-two thousand, two hundred twenty-three".