123112312207 has 2 divisors, whose sum is σ = 123112312208. Its totient is φ = 123112312206.

The previous prime is 123112312187. The next prime is 123112312237. The reversal of 123112312207 is 702213211321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123112312207 - 2³⁵ = 88752573839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123112312237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61556156103 + 61556156104.

It is an arithmetic number, because the mean of its divisors is an integer number (61556156104).

Almost surely, 2^123112312207 is an apocalyptic number.

123112312207 is a deficient number, since it is larger than the sum of its proper divisors (1).

123112312207 is an equidigital number, since it uses as much as digits as its factorization.

123112312207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 123112312207 its reverse (702213211321), we get a palindrome (825325523528).

The spelling of 123112312207 in words is "one hundred twenty-three billion, one hundred twelve million, three hundred twelve thousand, two hundred seven".