1323444445211 has 4 divisors (see below), whose sum is σ = 1512507937392. Its totient is φ = 1134380953032.

The previous prime is 1323444445129. The next prime is 1323444445261. The reversal of 1323444445211 is 1125444443231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1323444445211 - 2¹⁰ = 1323444444187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323444445261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94531746080 + ... + 94531746093.

It is an arithmetic number, because the mean of its divisors is an integer number (378126984348).

Almost surely, 2^{1323444445211} is an apocalyptic number.

1323444445211 is a deficient number, since it is larger than the sum of its proper divisors (189063492181).

1323444445211 is an equidigital number, since it uses as much as digits as its factorization.

1323444445211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189063492180.

The product of its digits is 184320, while the sum is 38.

Adding to 1323444445211 its reverse (1125444443231), we get a palindrome (2448888888442).

The spelling of 1323444445211 in words is "one trillion, three hundred twenty-three billion, four hundred forty-four million, four hundred forty-five thousand, two hundred eleven".