2043143 has 4 divisors (see below), whose sum is σ = 2046600. Its totient is φ = 2039688.

The previous prime is 2043121. The next prime is 2043149. The reversal of 2043143 is 3413402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3413402 = 2 ⋅1706701.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2043143 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 (2043149) 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, 593 + ... + 2106.

It is an arithmetic number, because the mean of its divisors is an integer number (511650).

2^2043143 is an apocalyptic number.

2043143 is a deficient number, since it is larger than the sum of its proper divisors (3457).

2043143 is an equidigital number, since it uses as much as digits as its factorization.

2043143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3456.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2043143 is about 1429.3855323180. The cubic root of 2043143 is about 126.8916139762.

Adding to 2043143 its reverse (3413402), we get a palindrome (5456545).

The spelling of 2043143 in words is "two million, forty-three thousand, one hundred forty-three".