123220120220103 has 16 divisors (see below), whose sum is σ = 164365531192800. Its totient is φ = 82110729452544.

The previous prime is 123220120220063. The next prime is 123220120220161. The reversal of 123220120220103 is 301022021022321.

It is not a de Polignac number, because 123220120220103 - 2⁴⁰ = 122120608592327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123220120220103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123220120220173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417620073 + ... + 417915021.

It is an arithmetic number, because the mean of its divisors is an integer number (10272845699550).

Almost surely, 2^{123220120220103} is an apocalyptic number.

123220120220103 is a deficient number, since it is larger than the sum of its proper divisors (41145410972697).

123220120220103 is a wasteful number, since it uses less digits than its factorization.

123220120220103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355538.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 123220120220103 its reverse (301022021022321), we get a palindrome (424242141242424).

The spelling of 123220120220103 in words is "one hundred twenty-three trillion, two hundred twenty billion, one hundred twenty million, two hundred twenty thousand, one hundred three".