2001233 has 4 divisors (see below), whose sum is σ = 2155188. Its totient is φ = 1847280.

The previous prime is 2001229. The next prime is 2001247. The reversal of 2001233 is 3321002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 446224 + 1555009 = 668^2 + 1247^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001233 - 2² = 2001229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001533) 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, 76958 + ... + 76983.

It is an arithmetic number, because the mean of its divisors is an integer number (538797).

2^2001233 is an apocalyptic number.

It is an amenable number.

2001233 is a deficient number, since it is larger than the sum of its proper divisors (153955).

2001233 is a wasteful number, since it uses less digits than its factorization.

2001233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153954.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 2001233 is about 1414.6494265365. The cubic root of 2001233 is about 126.0179910482.

Adding to 2001233 its reverse (3321002), we get a palindrome (5322235).

The spelling of 2001233 in words is "two million, one thousand, two hundred thirty-three".