2143003 has 8 divisors (see below), whose sum is σ = 2331072. Its totient is φ = 1961856.

The previous prime is 2142971. The next prime is 2143019. The reversal of 2143003 is 3003412.

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 2143003 - 2⁵ = 2142971 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1075 + ... + 2332.

It is an arithmetic number, because the mean of its divisors is an integer number (291384).

2^2143003 is an apocalyptic number.

2143003 is a deficient number, since it is larger than the sum of its proper divisors (188069).

2143003 is a wasteful number, since it uses less digits than its factorization.

2143003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3461.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2143003 is about 1463.8999282738. The cubic root of 2143003 is about 128.9261239967.

Adding to 2143003 its reverse (3003412), we get a palindrome (5146415).

The spelling of 2143003 in words is "two million, one hundred forty-three thousand, three".