123231230112103 has 2 divisors, whose sum is σ = 123231230112104. Its totient is φ = 123231230112102.

The previous prime is 123231230112083. The next prime is 123231230112173. The reversal of 123231230112103 is 301211032132321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123231230112103 - 2¹³ = 123231230103911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123231230112173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61615615056051 + 61615615056052.

It is an arithmetic number, because the mean of its divisors is an integer number (61615615056052).

Almost surely, 2^{123231230112103} is an apocalyptic number.

123231230112103 is a deficient number, since it is larger than the sum of its proper divisors (1).

123231230112103 is an equidigital number, since it uses as much as digits as its factorization.

123231230112103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 123231230112103 its reverse (301211032132321), we get a palindrome (424442262244424).

The spelling of 123231230112103 in words is "one hundred twenty-three trillion, two hundred thirty-one billion, two hundred thirty million, one hundred twelve thousand, one hundred three".