2143004403 has 8 divisors (see below), whose sum is σ = 2858112400. Its totient is φ = 1428283008.

The previous prime is 2143004351. The next prime is 2143004407. The reversal of 2143004403 is 3044003412.

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

It is not a de Polignac number, because 2143004403 - 2¹³ = 2142996211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2143004403.

It is not an unprimeable number, because it can be changed into a prime (2143004407) 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 7 ways as a sum of consecutive naturals, for example, 83458 + ... + 106071.

It is an arithmetic number, because the mean of its divisors is an integer number (357264050).

Almost surely, 2^2143004403 is an apocalyptic number.

2143004403 is a deficient number, since it is larger than the sum of its proper divisors (715107997).

2143004403 is a wasteful number, since it uses less digits than its factorization.

2143004403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193301.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2143004403 is about 46292.5955526367. The cubic root of 2143004403 is about 1289.2615213219.

Adding to 2143004403 its reverse (3044003412), we get a palindrome (5187007815).

Subtracting 2143004403 from its reverse (3044003412), we obtain a palindrome (900999009).

The spelling of 2143004403 in words is "two billion, one hundred forty-three million, four thousand, four hundred three".