2143345003 has 4 divisors (see below), whose sum is σ = 2156997040. Its totient is φ = 2129692968.

The previous prime is 2143344961. The next prime is 2143345031. The reversal of 2143345003 is 3005433412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2143345003 - 2²¹ = 2141247851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143345033) 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, 6825783 + ... + 6826096.

It is an arithmetic number, because the mean of its divisors is an integer number (539249260).

Almost surely, 2^2143345003 is an apocalyptic number.

2143345003 is a deficient number, since it is larger than the sum of its proper divisors (13652037).

2143345003 is a wasteful number, since it uses less digits than its factorization.

2143345003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13652036.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 2143345003 is about 46296.2741805429. The cubic root of 2143345003 is about 1289.3298209501.

Adding to 2143345003 its reverse (3005433412), we get a palindrome (5148778415).

The spelling of 2143345003 in words is "two billion, one hundred forty-three million, three hundred forty-five thousand, three".