2143444343 has 8 divisors (see below), whose sum is σ = 2164470000. Its totient is φ = 2122443648.

The previous prime is 2143444339. The next prime is 2143444363. The reversal of 2143444343 is 3434443412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2143444343 - 2² = 2143444339 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 (2143444333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198908 + ... + 209406.

It is an arithmetic number, because the mean of its divisors is an integer number (270558750).

Almost surely, 2^2143444343 is an apocalyptic number.

2143444343 is a deficient number, since it is larger than the sum of its proper divisors (21025657).

2143444343 is a wasteful number, since it uses less digits than its factorization.

2143444343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12481.

The product of its digits is 55296, while the sum is 32.

The square root of 2143444343 is about 46297.3470406243. The cubic root of 2143444343 is about 1289.3497399779.

Adding to 2143444343 its reverse (3434443412), we get a palindrome (5577887755).

The spelling of 2143444343 in words is "two billion, one hundred forty-three million, four hundred forty-four thousand, three hundred forty-three".