2143743 has 32 divisors (see below), whose sum is σ = 3502080. Its totient is φ = 1140480.

The previous prime is 2143741. The next prime is 2143753. The reversal of 2143743 is 3473412.

It is not a de Polignac number, because 2143743 - 2¹ = 2143741 is a prime.

2143743 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24043 + ... + 24131.

It is an arithmetic number, because the mean of its divisors is an integer number (109440).

2^2143743 is an apocalyptic number.

2143743 is a deficient number, since it is larger than the sum of its proper divisors (1358337).

2143743 is a wasteful number, since it uses less digits than its factorization.

2143743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167.

The product of its digits is 2016, while the sum is 24.

The square root of 2143743 is about 1464.1526559755. The cubic root of 2143743 is about 128.9409621082.

The spelling of 2143743 in words is "two million, one hundred forty-three thousand, seven hundred forty-three".