2001310323223 has 2 divisors, whose sum is σ = 2001310323224. Its totient is φ = 2001310323222.

The previous prime is 2001310323197. The next prime is 2001310323253. The reversal of 2001310323223 is 3223230131002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2001310323223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2001310323194 and 2001310323203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001310323253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000655161611 + 1000655161612.

It is an arithmetic number, because the mean of its divisors is an integer number (1000655161612).

Almost surely, 2^{2001310323223} is an apocalyptic number.

2001310323223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001310323223 is an equidigital number, since it uses as much as digits as its factorization.

2001310323223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 2001310323223 its reverse (3223230131002), we get a palindrome (5224540454225).

The spelling of 2001310323223 in words is "two trillion, one billion, three hundred ten million, three hundred twenty-three thousand, two hundred twenty-three".