123323120113 has 2 divisors, whose sum is σ = 123323120114. Its totient is φ = 123323120112.

The previous prime is 123323120093. The next prime is 123323120143. The reversal of 123323120113 is 311021323321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69467563489 + 53855556624 = 263567^2 + 232068^2 .

It is an emirp because it is prime and its reverse (311021323321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123323120113 is a prime.

It is not a weakly prime, because it can be changed into another prime (123323120143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61661560056 + 61661560057.

It is an arithmetic number, because the mean of its divisors is an integer number (61661560057).

Almost surely, 2^123323120113 is an apocalyptic number.

It is an amenable number.

123323120113 is a deficient number, since it is larger than the sum of its proper divisors (1).

123323120113 is an equidigital number, since it uses as much as digits as its factorization.

123323120113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 123323120113 its reverse (311021323321), we get a palindrome (434344443434).

The spelling of 123323120113 in words is "one hundred twenty-three billion, three hundred twenty-three million, one hundred twenty thousand, one hundred thirteen".