1002344143 has 4 divisors (see below), whose sum is σ = 1003249080. Its totient is φ = 1001439208.

The previous prime is 1002344129. The next prime is 1002344159. The reversal of 1002344143 is 3414432001.

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 1002344143 - 2¹⁷ = 1002213071 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 (1002344443) 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, 450805 + ... + 453022.

It is an arithmetic number, because the mean of its divisors is an integer number (250812270).

Almost surely, 2^1002344143 is an apocalyptic number.

1002344143 is a deficient number, since it is larger than the sum of its proper divisors (904937).

1002344143 is an equidigital number, since it uses as much as digits as its factorization.

1002344143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904936.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1002344143 is about 31659.8190613907. The cubic root of 1002344143 is about 1000.7807712376.

Adding to 1002344143 its reverse (3414432001), we get a palindrome (4416776144).

The spelling of 1002344143 in words is "one billion, two million, three hundred forty-four thousand, one hundred forty-three".