2143143043 has 4 divisors (see below), whose sum is σ = 2143261960. Its totient is φ = 2143024128.

The previous prime is 2143143031. The next prime is 2143143053. The reversal of 2143143043 is 3403413412.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2143143043 - 2²¹ = 2141045891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2143142999 and 2143143017.

It is not an unprimeable number, because it can be changed into a prime (2143143053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26238 + ... + 70531.

It is an arithmetic number, because the mean of its divisors is an integer number (535815490).

Almost surely, 2^2143143043 is an apocalyptic number.

2143143043 is a deficient number, since it is larger than the sum of its proper divisors (118917).

2143143043 is an equidigital number, since it uses as much as digits as its factorization.

2143143043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118916.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 2143143043 is about 46294.0929601175. The cubic root of 2143143043 is about 1289.2893233122.

Adding to 2143143043 its reverse (3403413412), we get a palindrome (5546556455).

The spelling of 2143143043 in words is "two billion, one hundred forty-three million, one hundred forty-three thousand, forty-three".