1323320320033 has 16 divisors (see below), whose sum is σ = 1350679968000. Its totient is φ = 1296237601152.

The previous prime is 1323320320031. The next prime is 1323320320067. The reversal of 1323320320033 is 3300230233231.

It is a cyclic number.

It is not a de Polignac number, because 1323320320033 - 2¹ = 1323320320031 is a prime.

It is a super-2 number, since 2×1323320320033² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323320320031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18026958 + ... + 18100216.

It is an arithmetic number, because the mean of its divisors is an integer number (84417498000).

Almost surely, 2^{1323320320033} is an apocalyptic number.

It is an amenable number.

1323320320033 is a deficient number, since it is larger than the sum of its proper divisors (27359647967).

1323320320033 is a wasteful number, since it uses less digits than its factorization.

1323320320033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75144.

The product of its (nonzero) digits is 5832, while the sum is 25.

Adding to 1323320320033 its reverse (3300230233231), we get a palindrome (4623550553264).

The spelling of 1323320320033 in words is "one trillion, three hundred twenty-three billion, three hundred twenty million, three hundred twenty thousand, thirty-three".