1001323322303 has 4 divisors (see below), whose sum is σ = 1001480744688. Its totient is φ = 1001165899920.

The previous prime is 1001323322243. The next prime is 1001323322327. The reversal of 1001323322303 is 3032233231001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1001323322303 - 2²⁴ = 1001306545087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001323322203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78701651 + ... + 78714372.

It is an arithmetic number, because the mean of its divisors is an integer number (250370186172).

Almost surely, 2^{1001323322303} is an apocalyptic number.

1001323322303 is a deficient number, since it is larger than the sum of its proper divisors (157422385).

1001323322303 is an equidigital number, since it uses as much as digits as its factorization.

1001323322303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157422384.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 1001323322303 its reverse (3032233231001), we get a palindrome (4033556553304).

The spelling of 1001323322303 in words is "one trillion, one billion, three hundred twenty-three million, three hundred twenty-two thousand, three hundred three".