123000111317 has 2 divisors, whose sum is σ = 123000111318. Its totient is φ = 123000111316.

The previous prime is 123000111281. The next prime is 123000111329. The reversal of 123000111317 is 713111000321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90296644036 + 32703467281 = 300494^2 + 180841^2 .

It is a cyclic number.

It is not a de Polignac number, because 123000111317 - 2¹⁸ = 122999849173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123000111517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61500055658 + 61500055659.

It is an arithmetic number, because the mean of its divisors is an integer number (61500055659).

Almost surely, 2^123000111317 is an apocalyptic number.

It is an amenable number.

123000111317 is a deficient number, since it is larger than the sum of its proper divisors (1).

123000111317 is an equidigital number, since it uses as much as digits as its factorization.

123000111317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 20.

Adding to 123000111317 its reverse (713111000321), we get a palindrome (836111111638).

The spelling of 123000111317 in words is "one hundred twenty-three billion, one hundred eleven thousand, three hundred seventeen".