2001310323323 has 16 divisors (see below), whose sum is σ = 2047661200896. Its totient is φ = 1955118543840.

The previous prime is 2001310323283. The next prime is 2001310323329. The reversal of 2001310323323 is 3233230131002.

It is a cyclic number.

It is not a de Polignac number, because 2001310323323 - 2²⁰ = 2001309274747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001310323329) 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 15 ways as a sum of consecutive naturals, for example, 113168240 + ... + 113185922.

It is an arithmetic number, because the mean of its divisors is an integer number (127978825056).

Almost surely, 2^{2001310323323} is an apocalyptic number.

2001310323323 is a deficient number, since it is larger than the sum of its proper divisors (46350877573).

2001310323323 is a wasteful number, since it uses less digits than its factorization.

2001310323323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22034.

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

Adding to 2001310323323 its reverse (3233230131002), we get a palindrome (5234540454325).

The spelling of 2001310323323 in words is "two trillion, one billion, three hundred ten million, three hundred twenty-three thousand, three hundred twenty-three".