2133423 has 12 divisors (see below), whose sum is σ = 3113448. Its totient is φ = 1407600.

The previous prime is 2133413. The next prime is 2133427. The reversal of 2133423 is 3243312.

2133423 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 2133423 - 2⁴ = 2133407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2133396 and 2133405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133427) 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 11 ways as a sum of consecutive naturals, for example, 265 + ... + 2082.

It is an arithmetic number, because the mean of its divisors is an integer number (259454).

2^2133423 is an apocalyptic number.

2133423 is a deficient number, since it is larger than the sum of its proper divisors (980025).

2133423 is a wasteful number, since it uses less digits than its factorization.

2133423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454 (or 2451 counting only the distinct ones).

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

The square root of 2133423 is about 1460.6241816429. The cubic root of 2133423 is about 128.7337215100.

Adding to 2133423 its reverse (3243312), we get a palindrome (5376735).

It can be divided in two parts, 2133 and 423, that added together give a triangular number (2556 = T₇₁).

The spelling of 2133423 in words is "two million, one hundred thirty-three thousand, four hundred twenty-three".