2143230241 has 4 divisors (see below), whose sum is σ = 2147859712. Its totient is φ = 2138600772.

The previous prime is 2143230197. The next prime is 2143230251. The reversal of 2143230241 is 1420323412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2143230241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143230251) 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, 2314041 + ... + 2314966.

It is an arithmetic number, because the mean of its divisors is an integer number (536964928).

Almost surely, 2^2143230241 is an apocalyptic number.

It is an amenable number.

2143230241 is a deficient number, since it is larger than the sum of its proper divisors (4629471).

2143230241 is an equidigital number, since it uses as much as digits as its factorization.

2143230241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4629470.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2143230241 is about 46295.0347337595. The cubic root of 2143230241 is about 1289.3068088344.

Adding to 2143230241 its reverse (1420323412), we get a palindrome (3563553653).

The spelling of 2143230241 in words is "two billion, one hundred forty-three million, two hundred thirty thousand, two hundred forty-one".