1323202221323 has 16 divisors (see below), whose sum is σ = 1338980479200. Its totient is φ = 1307498250240.

The previous prime is 1323202221317. The next prime is 1323202221337. The reversal of 1323202221323 is 3231222023231.

It is a cyclic number.

It is not a de Polignac number, because 1323202221323 - 2²⁰ = 1323201172747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1323202221292 and 1323202221301.

It is not an unprimeable number, because it can be changed into a prime (1323202220323) 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, 142566443 + ... + 142575723.

It is an arithmetic number, because the mean of its divisors is an integer number (83686279950).

Almost surely, 2^{1323202221323} is an apocalyptic number.

1323202221323 is a deficient number, since it is larger than the sum of its proper divisors (15778257877).

1323202221323 is a wasteful number, since it uses less digits than its factorization.

1323202221323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13102.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 1323202221323 its reverse (3231222023231), we get a palindrome (4554424244554).

The spelling of 1323202221323 in words is "one trillion, three hundred twenty-three billion, two hundred two million, two hundred twenty-one thousand, three hundred twenty-three".