1323320011223 has 16 divisors (see below), whose sum is σ = 1521876195840. Its totient is φ = 1127150964000.

The previous prime is 1323320011199. The next prime is 1323320011253. The reversal of 1323320011223 is 3221100233231.

It is a cyclic number.

It is not a de Polignac number, because 1323320011223 - 2¹⁶ = 1323319945687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323320011253) 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 15 ways as a sum of consecutive naturals, for example, 1275248 + ... + 2067098.

It is an arithmetic number, because the mean of its divisors is an integer number (95117262240).

Almost surely, 2^{1323320011223} is an apocalyptic number.

1323320011223 is a deficient number, since it is larger than the sum of its proper divisors (198556184617).

1323320011223 is a wasteful number, since it uses less digits than its factorization.

1323320011223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793358.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1323320011223 its reverse (3221100233231), we get a palindrome (4544420244454).

The spelling of 1323320011223 in words is "one trillion, three hundred twenty-three billion, three hundred twenty million, eleven thousand, two hundred twenty-three".