2143322503 has 4 divisors (see below), whose sum is σ = 2449511440. Its totient is φ = 1837133568.

The previous prime is 2143322501. The next prime is 2143322507. The reversal of 2143322503 is 3052233412.

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 2143322503 - 2¹ = 2143322501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143322501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153094458 + ... + 153094471.

It is an arithmetic number, because the mean of its divisors is an integer number (612377860).

Almost surely, 2^2143322503 is an apocalyptic number.

2143322503 is a deficient number, since it is larger than the sum of its proper divisors (306188937).

2143322503 is an equidigital number, since it uses as much as digits as its factorization.

2143322503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306188936.

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

The square root of 2143322503 is about 46296.0311797891. The cubic root of 2143322503 is about 1289.3253093071.

Adding to 2143322503 its reverse (3052233412), we get a palindrome (5195555915).

The spelling of 2143322503 in words is "two billion, one hundred forty-three million, three hundred twenty-two thousand, five hundred three".