2143301243 has 8 divisors (see below), whose sum is σ = 2173465248. Its totient is φ = 2113159104.

The previous prime is 2143301227. The next prime is 2143301261. The reversal of 2143301243 is 3421033412.

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 2143301243 - 2⁴ = 2143301227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143301203) 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, 367730 + ... + 373512.

It is an arithmetic number, because the mean of its divisors is an integer number (271683156).

Almost surely, 2^2143301243 is an apocalyptic number.

2143301243 is a deficient number, since it is larger than the sum of its proper divisors (30164005).

2143301243 is an equidigital number, since it uses as much as digits as its factorization.

2143301243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10933.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2143301243 is about 46295.8015699048. The cubic root of 2143301243 is about 1289.3210462768.

Adding to 2143301243 its reverse (3421033412), we get a palindrome (5564334655).

The spelling of 2143301243 in words is "two billion, one hundred forty-three million, three hundred one thousand, two hundred forty-three".