2143203297 has 16 divisors (see below), whose sum is σ = 2893363200. Its totient is φ = 1411000272.

The previous prime is 2143203289. The next prime is 2143203299. The reversal of 2143203297 is 7923023412.

It is not a de Polignac number, because 2143203297 - 2³ = 2143203289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2143203299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103954 + ... + 122852.

It is an arithmetic number, because the mean of its divisors is an integer number (180835200).

Almost surely, 2^2143203297 is an apocalyptic number.

It is an amenable number.

2143203297 is a deficient number, since it is larger than the sum of its proper divisors (750159903).

2143203297 is a wasteful number, since it uses less digits than its factorization.

2143203297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19372.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 2143203297 is about 46294.7437297151. The cubic root of 2143203297 is about 1289.3014058952.

The spelling of 2143203297 in words is "two billion, one hundred forty-three million, two hundred three thousand, two hundred ninety-seven".