1001323202303 has 4 divisors (see below), whose sum is σ = 1002838064088. Its totient is φ = 999808340520.

The previous prime is 1001323202237. The next prime is 1001323202311. The reversal of 1001323202303 is 3032023231001.

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 1001323202303 - 2³⁶ = 932603725567 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 (1001323202003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 757429901 + ... + 757431222.

It is an arithmetic number, because the mean of its divisors is an integer number (250709516022).

Almost surely, 2^{1001323202303} is an apocalyptic number.

1001323202303 is a deficient number, since it is larger than the sum of its proper divisors (1514861785).

1001323202303 is an equidigital number, since it uses as much as digits as its factorization.

1001323202303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514861784.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 1001323202303 its reverse (3032023231001), we get a palindrome (4033346433304).

The spelling of 1001323202303 in words is "one trillion, one billion, three hundred twenty-three million, two hundred two thousand, three hundred three".