2011223433 has 4 divisors (see below), whose sum is σ = 2681631248. Its totient is φ = 1340815620.

The previous prime is 2011223413. The next prime is 2011223441. The reversal of 2011223433 is 3343221102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2011223433 - 2⁹ = 2011222921 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2011223413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335203903 + ... + 335203908.

It is an arithmetic number, because the mean of its divisors is an integer number (670407812).

Almost surely, 2^2011223433 is an apocalyptic number.

It is an amenable number.

2011223433 is a deficient number, since it is larger than the sum of its proper divisors (670407815).

2011223433 is an equidigital number, since it uses as much as digits as its factorization.

2011223433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670407814.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2011223433 is about 44846.6657957980. The cubic root of 2011223433 is about 1262.2734283214.

Adding to 2011223433 its reverse (3343221102), we get a palindrome (5354444535).

The spelling of 2011223433 in words is "two billion, eleven million, two hundred twenty-three thousand, four hundred thirty-three".