123011322102103 has 4 divisors (see below), whose sum is σ = 129485602212760. Its totient is φ = 116537041991448.

The previous prime is 123011322102079. The next prime is 123011322102113. The reversal of 123011322102103 is 301201223110321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123011322102103 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 (123011322102113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3237140055300 + ... + 3237140055337.

It is an arithmetic number, because the mean of its divisors is an integer number (32371400553190).

Almost surely, 2^{123011322102103} is an apocalyptic number.

123011322102103 is a deficient number, since it is larger than the sum of its proper divisors (6474280110657).

123011322102103 is an equidigital number, since it uses as much as digits as its factorization.

123011322102103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6474280110656.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 123011322102103 its reverse (301201223110321), we get a palindrome (424212545212424).

The spelling of 123011322102103 in words is "one hundred twenty-three trillion, eleven billion, three hundred twenty-two million, one hundred two thousand, one hundred three".