123110313103 has 2 divisors, whose sum is σ = 123110313104. Its totient is φ = 123110313102.

The previous prime is 123110313101. The next prime is 123110313121. The reversal of 123110313103 is 301313011321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123110313103 - 2¹ = 123110313101 is a prime.

It is a super-2 number, since 2×123110313103² (a number of 23 digits) contains 22 as substring.

Together with 123110313101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123110313101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61555156551 + 61555156552.

It is an arithmetic number, because the mean of its divisors is an integer number (61555156552).

Almost surely, 2^123110313103 is an apocalyptic number.

123110313103 is a deficient number, since it is larger than the sum of its proper divisors (1).

123110313103 is an equidigital number, since it uses as much as digits as its factorization.

123110313103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 123110313103 its reverse (301313011321), we get a palindrome (424423324424).

The spelling of 123110313103 in words is "one hundred twenty-three billion, one hundred ten million, three hundred thirteen thousand, one hundred three".