2133243 has 16 divisors (see below), whose sum is σ = 3612160. Its totient is φ = 1218888.

The previous prime is 2133217. The next prime is 2133251. The reversal of 2133243 is 3423312.

2133243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2133243 - 2¹⁸ = 1871099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5455 + ... + 5832.

It is an arithmetic number, because the mean of its divisors is an integer number (225760).

2^2133243 is an apocalyptic number.

2133243 is a deficient number, since it is larger than the sum of its proper divisors (1478917).

2133243 is a wasteful number, since it uses less digits than its factorization.

2133243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11303 (or 11297 counting only the distinct ones).

The product of its digits is 432, while the sum is 18.

The square root of 2133243 is about 1460.5625628504. The cubic root of 2133243 is about 128.7301009244.

Adding to 2133243 its reverse (3423312), we get a palindrome (5556555).

The spelling of 2133243 in words is "two million, one hundred thirty-three thousand, two hundred forty-three".