122423173 has 2 divisors, whose sum is σ = 122423174. Its totient is φ = 122423172.

The previous prime is 122423141. The next prime is 122423177. The reversal of 122423173 is 371324221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118004769 + 4418404 = 10863^2 + 2102^2 .

It is a cyclic number.

It is not a de Polignac number, because 122423173 - 2⁵ = 122423141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122423177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61211586 + 61211587.

It is an arithmetic number, because the mean of its divisors is an integer number (61211587).

Almost surely, 2^122423173 is an apocalyptic number.

It is an amenable number.

122423173 is a deficient number, since it is larger than the sum of its proper divisors (1).

122423173 is an equidigital number, since it uses as much as digits as its factorization.

122423173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 25.

The square root of 122423173 is about 11064.5005761670. The cubic root of 122423173 is about 496.5403474880.

Adding to 122423173 its reverse (371324221), we get a palindrome (493747394).

The spelling of 122423173 in words is "one hundred twenty-two million, four hundred twenty-three thousand, one hundred seventy-three".