123311107 has 2 divisors, whose sum is σ = 123311108. Its totient is φ = 123311106.

The previous prime is 123311099. The next prime is 123311117. The reversal of 123311107 is 701113321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123311107 - 2³ = 123311099 is a prime.

It is not a weakly prime, because it can be changed into another prime (123311117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61655553 + 61655554.

It is an arithmetic number, because the mean of its divisors is an integer number (61655554).

Almost surely, 2^123311107 is an apocalyptic number.

123311107 is a deficient number, since it is larger than the sum of its proper divisors (1).

123311107 is an equidigital number, since it uses as much as digits as its factorization.

123311107 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 19.

The square root of 123311107 is about 11104.5534354156. The cubic root of 123311107 is about 497.7379241255.

Adding to 123311107 its reverse (701113321), we get a palindrome (824424428).

The spelling of 123311107 in words is "one hundred twenty-three million, three hundred eleven thousand, one hundred seven".