2143433 has 4 divisors (see below), whose sum is σ = 2212608. Its totient is φ = 2074260.

The previous prime is 2143417. The next prime is 2143441. The reversal of 2143433 is 3343412.

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 a cyclic number.

It is not a de Polignac number, because 2143433 - 2⁴ = 2143417 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 (2143483) 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, 34541 + ... + 34602.

It is an arithmetic number, because the mean of its divisors is an integer number (553152).

2^2143433 is an apocalyptic number.

It is an amenable number.

2143433 is a deficient number, since it is larger than the sum of its proper divisors (69175).

2143433 is an equidigital number, since it uses as much as digits as its factorization.

2143433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69174.

The product of its digits is 864, while the sum is 20.

The square root of 2143433 is about 1464.0467888698. The cubic root of 2143433 is about 128.9347465582.

Adding to 2143433 its reverse (3343412), we get a palindrome (5486845).

The spelling of 2143433 in words is "two million, one hundred forty-three thousand, four hundred thirty-three".