2001330023 has 16 divisors (see below), whose sum is σ = 2575656960. Its totient is φ = 1509170400.

The previous prime is 2001330011. The next prime is 2001330031. The reversal of 2001330023 is 3200331002.

It is a cyclic number.

It is not a de Polignac number, because 2001330023 - 2⁶ = 2001329959 is a prime.

It is a super-2 number, since 2×2001330023² = 8010643721922361058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001330043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 416828 + ... + 421601.

It is an arithmetic number, because the mean of its divisors is an integer number (160978560).

Almost surely, 2^2001330023 is an apocalyptic number.

2001330023 is a deficient number, since it is larger than the sum of its proper divisors (574326937).

2001330023 is a wasteful number, since it uses less digits than its factorization.

2001330023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838478.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 2001330023 is about 44736.2271878173. The cubic root of 2001330023 is about 1260.2002753371.

Adding to 2001330023 its reverse (3200331002), we get a palindrome (5201661025).

The spelling of 2001330023 in words is "two billion, one million, three hundred thirty thousand, twenty-three".