1001323322243 has 2 divisors, whose sum is σ = 1001323322244. Its totient is φ = 1001323322242.

The previous prime is 1001323322213. The next prime is 1001323322327. The reversal of 1001323322243 is 3422233231001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1001323322243 - 2²⁸ = 1001054886787 is a prime.

It is not a weakly prime, because it can be changed into another prime (1001323322203) 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 as a sum of consecutive naturals, namely, 500661661121 + 500661661122.

It is an arithmetic number, because the mean of its divisors is an integer number (500661661122).

Almost surely, 2^{1001323322243} is an apocalyptic number.

1001323322243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001323322243 is an equidigital number, since it uses as much as digits as its factorization.

1001323322243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 1001323322243 its reverse (3422233231001), we get a palindrome (4423556553244).

The spelling of 1001323322243 in words is "one trillion, one billion, three hundred twenty-three million, three hundred twenty-two thousand, two hundred forty-three".