123221013003403 has 16 divisors (see below), whose sum is σ = 141250080026880. Its totient is φ = 105298731163296.

The previous prime is 123221013003353. The next prime is 123221013003457. The reversal of 123221013003403 is 304300310122321.

It is a cyclic number.

It is not a de Polignac number, because 123221013003403 - 2⁴⁵ = 88036640914571 is a prime.

It is a super-2 number, since 2×123221013003403² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123221013003493) 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, 5703001 + ... + 16702282.

It is an arithmetic number, because the mean of its divisors is an integer number (8828130001680).

Almost surely, 2^{123221013003403} is an apocalyptic number.

123221013003403 is a deficient number, since it is larger than the sum of its proper divisors (18029067023477).

123221013003403 is a wasteful number, since it uses less digits than its factorization.

123221013003403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22407666.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 123221013003403 its reverse (304300310122321), we get a palindrome (427521323125724).

The spelling of 123221013003403 in words is "one hundred twenty-three trillion, two hundred twenty-one billion, thirteen million, three thousand, four hundred three".