123101311103 has 4 divisors (see below), whose sum is σ = 123129963600. Its totient is φ = 123072658608.

The previous prime is 123101311079. The next prime is 123101311153. The reversal of 123101311103 is 301113101321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123101311103 - 2²⁸ = 122832875647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123101311153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14319803 + ... + 14328396.

It is an arithmetic number, because the mean of its divisors is an integer number (30782490900).

Almost surely, 2^123101311103 is an apocalyptic number.

123101311103 is a deficient number, since it is larger than the sum of its proper divisors (28652497).

123101311103 is an equidigital number, since it uses as much as digits as its factorization.

123101311103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28652496.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 123101311103 its reverse (301113101321), we get a palindrome (424214412424).

The spelling of 123101311103 in words is "one hundred twenty-three billion, one hundred one million, three hundred eleven thousand, one hundred three".