2143321203 has 8 divisors (see below), whose sum is σ = 2878321600. Its totient is φ = 1418600808.

The previous prime is 2143321181. The next prime is 2143321211. The reversal of 2143321203 is 3021233412.

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

It is not a de Polignac number, because 2143321203 - 2⁸ = 2143320947 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 2143321203.

It is not an unprimeable number, because it can be changed into a prime (2143321003) 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, 2569513 + ... + 2570346.

It is an arithmetic number, because the mean of its divisors is an integer number (359790200).

Almost surely, 2^2143321203 is an apocalyptic number.

2143321203 is a deficient number, since it is larger than the sum of its proper divisors (735000397).

2143321203 is a wasteful number, since it uses less digits than its factorization.

2143321203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5140001.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2143321203 is about 46296.0171397065. The cubic root of 2143321203 is about 1289.3250486335.

Adding to 2143321203 its reverse (3021233412), we get a palindrome (5164554615).

The spelling of 2143321203 in words is "two billion, one hundred forty-three million, three hundred twenty-one thousand, two hundred three".