122320123 has 2 divisors, whose sum is σ = 122320124. Its totient is φ = 122320122.

The previous prime is 122320111. The next prime is 122320147. The reversal of 122320123 is 321023221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122320123 - 2¹⁷ = 122189051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122320097 and 122320106.

It is not a weakly prime, because it can be changed into another prime (122321123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61160061 + 61160062.

It is an arithmetic number, because the mean of its divisors is an integer number (61160062).

Almost surely, 2^122320123 is an apocalyptic number.

122320123 is a deficient number, since it is larger than the sum of its proper divisors (1).

122320123 is an equidigital number, since it uses as much as digits as its factorization.

122320123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 122320123 is about 11059.8428108179. The cubic root of 122320123 is about 496.4009870349.

Adding to 122320123 its reverse (321023221), we get a palindrome (443343344).

The spelling of 122320123 in words is "one hundred twenty-two million, three hundred twenty thousand, one hundred twenty-three".