12223121303323 has 16 divisors (see below), whose sum is σ = 14598279336960. Its totient is φ = 10015580828736.

The previous prime is 12223121303311. The next prime is 12223121303357. The reversal of 12223121303323 is 32330312132221.

It is a happy number.

It is not a de Polignac number, because 12223121303323 - 2⁵ = 12223121303291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12223121303291 and 12223121303300.

It is not an unprimeable number, because it can be changed into a prime (12223121303363) 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, 431989858 + ... + 432018151.

It is an arithmetic number, because the mean of its divisors is an integer number (912392458560).

Almost surely, 2^{12223121303323} is an apocalyptic number.

12223121303323 is a deficient number, since it is larger than the sum of its proper divisors (2375158033637).

12223121303323 is an equidigital number, since it uses as much as digits as its factorization.

12223121303323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864008106.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 12223121303323 its reverse (32330312132221), we get a palindrome (44553433435544).

The spelling of 12223121303323 in words is "twelve trillion, two hundred twenty-three billion, one hundred twenty-one million, three hundred three thousand, three hundred twenty-three".