123031102127 has 2 divisors, whose sum is σ = 123031102128. Its totient is φ = 123031102126.

The previous prime is 123031102123. The next prime is 123031102133. The reversal of 123031102127 is 721201130321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123031102127 - 2² = 123031102123 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123031102121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61515551063 + 61515551064.

It is an arithmetic number, because the mean of its divisors is an integer number (61515551064).

Almost surely, 2^123031102127 is an apocalyptic number.

123031102127 is a deficient number, since it is larger than the sum of its proper divisors (1).

123031102127 is an equidigital number, since it uses as much as digits as its factorization.

123031102127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

Adding to 123031102127 its reverse (721201130321), we get a palindrome (844232232448).

The spelling of 123031102127 in words is "one hundred twenty-three billion, thirty-one million, one hundred two thousand, one hundred twenty-seven".