123003332303221 has 4 divisors (see below), whose sum is σ = 123016531511200. Its totient is φ = 122990133095244.

The previous prime is 123003332303219. The next prime is 123003332303251. The reversal of 123003332303221 is 122303233300321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123003332303221 - 2¹ = 123003332303219 is a prime.

It is a super-2 number, since 2×123003332303221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123003332303221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123003332303251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6599590011 + ... + 6599608648.

It is an arithmetic number, because the mean of its divisors is an integer number (30754132877800).

Almost surely, 2^{123003332303221} is an apocalyptic number.

It is an amenable number.

123003332303221 is a deficient number, since it is larger than the sum of its proper divisors (13199207979).

123003332303221 is an equidigital number, since it uses as much as digits as its factorization.

123003332303221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13199207978.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 123003332303221 its reverse (122303233300321), we get a palindrome (245306565603542).

The spelling of 123003332303221 in words is "one hundred twenty-three trillion, three billion, three hundred thirty-two million, three hundred three thousand, two hundred twenty-one".