122311223 has 2 divisors, whose sum is σ = 122311224. Its totient is φ = 122311222.

The previous prime is 122311219. The next prime is 122311229. The reversal of 122311223 is 322113221.

It is a weak prime.

It is an emirp because it is prime and its reverse (322113221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122311223 - 2² = 122311219 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122311229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61155611 + 61155612.

It is an arithmetic number, because the mean of its divisors is an integer number (61155612).

Almost surely, 2^122311223 is an apocalyptic number.

122311223 is a deficient number, since it is larger than the sum of its proper divisors (1).

122311223 is an equidigital number, since it uses as much as digits as its factorization.

122311223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 17.

The square root of 122311223 is about 11059.4404469666. The cubic root of 122311223 is about 496.3889473807.

Adding to 122311223 its reverse (322113221), we get a palindrome (444424444).

The spelling of 122311223 in words is "one hundred twenty-two million, three hundred eleven thousand, two hundred twenty-three".