1000343143 has 2 divisors, whose sum is σ = 1000343144. Its totient is φ = 1000343142.

The previous prime is 1000343033. The next prime is 1000343153. The reversal of 1000343143 is 3413430001.

It is a strong prime.

It is an emirp because it is prime and its reverse (3413430001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000343143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1000343143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000343153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500171571 + 500171572.

It is an arithmetic number, because the mean of its divisors is an integer number (500171572).

Almost surely, 2^1000343143 is an apocalyptic number.

1000343143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000343143 is an equidigital number, since it uses as much as digits as its factorization.

1000343143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1000343143 is about 31628.2017035430. The cubic root of 1000343143 is about 1000.1143679195.

Adding to 1000343143 its reverse (3413430001), we get a palindrome (4413773144).

The spelling of 1000343143 in words is "one billion, three hundred forty-three thousand, one hundred forty-three".