1323111220033 has 2 divisors, whose sum is σ = 1323111220034. Its totient is φ = 1323111220032.

The previous prime is 1323111220021. The next prime is 1323111220037. The reversal of 1323111220033 is 3300221113231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1298205014544 + 24906205489 = 1139388^2 + 157817^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323111220033 - 2²⁵ = 1323077665601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1323111219986 and 1323111220013.

It is not a weakly prime, because it can be changed into another prime (1323111220037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661555610016 + 661555610017.

It is an arithmetic number, because the mean of its divisors is an integer number (661555610017).

Almost surely, 2^{1323111220033} is an apocalyptic number.

It is an amenable number.

1323111220033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323111220033 is an equidigital number, since it uses as much as digits as its factorization.

1323111220033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1323111220033 its reverse (3300221113231), we get a palindrome (4623332333264).

The spelling of 1323111220033 in words is "one trillion, three hundred twenty-three billion, one hundred eleven million, two hundred twenty thousand, thirty-three".