2001323233 has 8 divisors (see below), whose sum is σ = 2463167168. Its totient is φ = 1583464464.

The previous prime is 2001323213. The next prime is 2001323237. The reversal of 2001323233 is 3323231002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2001323233 - 2²¹ = 1999226081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2001323233.

It is not an unprimeable number, because it can be changed into a prime (2001323237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10996191 + ... + 10996372.

It is an arithmetic number, because the mean of its divisors is an integer number (307895896).

Almost surely, 2^2001323233 is an apocalyptic number.

It is an amenable number.

2001323233 is a deficient number, since it is larger than the sum of its proper divisors (461843935).

2001323233 is a wasteful number, since it uses less digits than its factorization.

2001323233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21992583.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 2001323233 is about 44736.1512984745. The cubic root of 2001323233 is about 1260.1988501566.

Adding to 2001323233 its reverse (3323231002), we get a palindrome (5324554235).

The spelling of 2001323233 in words is "two billion, one million, three hundred twenty-three thousand, two hundred thirty-three".