2143043 has 4 divisors (see below), whose sum is σ = 2449200. Its totient is φ = 1836888.

The previous prime is 2143039. The next prime is 2143051. The reversal of 2143043 is 3403412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2143043 - 2² = 2143039 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 1 + 4⁷ + 3⁸ + 0 + 4⁷ + 3⁸ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143073) 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, 153068 + ... + 153081.

It is an arithmetic number, because the mean of its divisors is an integer number (612300).

2^2143043 is an apocalyptic number.

2143043 is a deficient number, since it is larger than the sum of its proper divisors (306157).

2143043 is an equidigital number, since it uses as much as digits as its factorization.

2143043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306156.

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

The square root of 2143043 is about 1463.9135903461. The cubic root of 2143043 is about 128.9269261441.

Adding to 2143043 its reverse (3403412), we get a palindrome (5546455).

The spelling of 2143043 in words is "two million, one hundred forty-three thousand, forty-three".