123301320532503 has 4 divisors (see below), whose sum is σ = 164401760710008. Its totient is φ = 82200880355000.

The previous prime is 123301320532477. The next prime is 123301320532547. The reversal of 123301320532503 is 305235023103321.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 123301320532503 - 2²⁹ = 123300783661591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123301320532303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20550220088748 + ... + 20550220088753.

It is an arithmetic number, because the mean of its divisors is an integer number (41100440177502).

Almost surely, 2^{123301320532503} is an apocalyptic number.

123301320532503 is a deficient number, since it is larger than the sum of its proper divisors (41100440177505).

123301320532503 is an equidigital number, since it uses as much as digits as its factorization.

123301320532503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41100440177504.

The product of its (nonzero) digits is 48600, while the sum is 33.

Adding to 123301320532503 its reverse (305235023103321), we get a palindrome (428536343635824).

The spelling of 123301320532503 in words is "one hundred twenty-three trillion, three hundred one billion, three hundred twenty million, five hundred thirty-two thousand, five hundred three".