13123120103 has 2 divisors, whose sum is σ = 13123120104. Its totient is φ = 13123120102.

The previous prime is 13123120081. The next prime is 13123120117. The reversal of 13123120103 is 30102132131.

It is a strong prime.

It is an emirp because it is prime and its reverse (30102132131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13123120103 - 2⁶ = 13123120039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13123120193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6561560051 + 6561560052.

It is an arithmetic number, because the mean of its divisors is an integer number (6561560052).

Almost surely, 2^13123120103 is an apocalyptic number.

13123120103 is a deficient number, since it is larger than the sum of its proper divisors (1).

13123120103 is an equidigital number, since it uses as much as digits as its factorization.

13123120103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13123120103 its reverse (30102132131), we get a palindrome (43225252234).

The spelling of 13123120103 in words is "thirteen billion, one hundred twenty-three million, one hundred twenty thousand, one hundred three".