1323320202233 has 2 divisors, whose sum is σ = 1323320202234. Its totient is φ = 1323320202232.

The previous prime is 1323320202221. The next prime is 1323320202251. The reversal of 1323320202233 is 3322020233231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1319619670009 + 3700532224 = 1148747^2 + 60832^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1323320202233 is a prime.

It is not a weakly prime, because it can be changed into another prime (1323320202283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661660101116 + 661660101117.

It is an arithmetic number, because the mean of its divisors is an integer number (661660101117).

Almost surely, 2^{1323320202233} is an apocalyptic number.

It is an amenable number.

1323320202233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323320202233 is an equidigital number, since it uses as much as digits as its factorization.

1323320202233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 1323320202233 its reverse (3322020233231), we get a palindrome (4645340435464).

The spelling of 1323320202233 in words is "one trillion, three hundred twenty-three billion, three hundred twenty million, two hundred two thousand, two hundred thirty-three".