2143113243 has 8 divisors (see below), whose sum is σ = 2885776656. Its totient is φ = 1414596000.

The previous prime is 2143113241. The next prime is 2143113289. The reversal of 2143113243 is 3423113412.

It is a happy number.

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

It is not a de Polignac number, because 2143113243 - 2¹ = 2143113241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2143113241) 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 7 ways as a sum of consecutive naturals, for example, 3536188 + ... + 3536793.

It is an arithmetic number, because the mean of its divisors is an integer number (360722082).

Almost surely, 2^2143113243 is an apocalyptic number.

2143113243 is a deficient number, since it is larger than the sum of its proper divisors (742663413).

2143113243 is a wasteful number, since it uses less digits than its factorization.

2143113243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7073085.

The product of its digits is 1728, while the sum is 24.

The square root of 2143113243 is about 46293.7711036809. The cubic root of 2143113243 is about 1289.2833475095.

Adding to 2143113243 its reverse (3423113412), we get a palindrome (5566226655).

The spelling of 2143113243 in words is "two billion, one hundred forty-three million, one hundred thirteen thousand, two hundred forty-three".