123020132030103 has 64 divisors (see below), whose sum is σ = 205765981286400. Its totient is φ = 63511294613760.

The previous prime is 123020132030021. The next prime is 123020132030113. The reversal of 123020132030103 is 301030231020321.

It is not a de Polignac number, because 123020132030103 - 2¹⁰ = 123020132029079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 123020132030103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123020132030113) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 868169683 + ... + 868311371.

It is an arithmetic number, because the mean of its divisors is an integer number (3215093457600).

Almost surely, 2^{123020132030103} is an apocalyptic number.

123020132030103 is a deficient number, since it is larger than the sum of its proper divisors (82745849256297).

123020132030103 is a wasteful number, since it uses less digits than its factorization.

123020132030103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164932.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 123020132030103 its reverse (301030231020321), we get a palindrome (424050363050424).

The spelling of 123020132030103 in words is "one hundred twenty-three trillion, twenty billion, one hundred thirty-two million, thirty thousand, one hundred three".