123222111223 has 2 divisors, whose sum is σ = 123222111224. Its totient is φ = 123222111222.

The previous prime is 123222111217. The next prime is 123222111269. The reversal of 123222111223 is 322111222321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123222111223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123222111194 and 123222111203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123222121223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61611055611 + 61611055612.

It is an arithmetic number, because the mean of its divisors is an integer number (61611055612).

Almost surely, 2^123222111223 is an apocalyptic number.

123222111223 is a deficient number, since it is larger than the sum of its proper divisors (1).

123222111223 is an equidigital number, since it uses as much as digits as its factorization.

123222111223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 22.

Adding to 123222111223 its reverse (322111222321), we get a palindrome (445333333544).

The spelling of 123222111223 in words is "one hundred twenty-three billion, two hundred twenty-two million, one hundred eleven thousand, two hundred twenty-three".