123320452243503 has 32 divisors (see below), whose sum is σ = 170774349960960. Its totient is φ = 79062722600960.

The previous prime is 123320452243441. The next prime is 123320452243537. The reversal of 123320452243503 is 305342254023321.

It is a cyclic number.

It is not a de Polignac number, because 123320452243503 - 2⁹ = 123320452242991 is a prime.

It is a super-2 number, since 2×123320452243503² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123320452243403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254896876 + ... + 255380222.

It is an arithmetic number, because the mean of its divisors is an integer number (5336698436280).

Almost surely, 2^{123320452243503} is an apocalyptic number.

123320452243503 is a deficient number, since it is larger than the sum of its proper divisors (47453897717457).

123320452243503 is a wasteful number, since it uses less digits than its factorization.

123320452243503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495047.

The product of its (nonzero) digits is 518400, while the sum is 39.

The spelling of 123320452243503 in words is "one hundred twenty-three trillion, three hundred twenty billion, four hundred fifty-two million, two hundred forty-three thousand, five hundred three".