123103220311303 has 2 divisors, whose sum is σ = 123103220311304. Its totient is φ = 123103220311302.

The previous prime is 123103220311297. The next prime is 123103220311333. The reversal of 123103220311303 is 303113022301321.

It is a weak prime.

It is an emirp because it is prime and its reverse (303113022301321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123103220311303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123103220311333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61551610155651 + 61551610155652.

It is an arithmetic number, because the mean of its divisors is an integer number (61551610155652).

Almost surely, 2^{123103220311303} is an apocalyptic number.

123103220311303 is a deficient number, since it is larger than the sum of its proper divisors (1).

123103220311303 is an equidigital number, since it uses as much as digits as its factorization.

123103220311303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 123103220311303 its reverse (303113022301321), we get a palindrome (426216242612624).

The spelling of 123103220311303 in words is "one hundred twenty-three trillion, one hundred three billion, two hundred twenty million, three hundred eleven thousand, three hundred three".