11143204343 has 2 divisors, whose sum is σ = 11143204344. Its totient is φ = 11143204342.

The previous prime is 11143204273. The next prime is 11143204363. The reversal of 11143204343 is 34340234111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11143204343 - 2²⁰ = 11142155767 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11143204363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571602171 + 5571602172.

It is an arithmetic number, because the mean of its divisors is an integer number (5571602172).

Almost surely, 2^11143204343 is an apocalyptic number.

11143204343 is a deficient number, since it is larger than the sum of its proper divisors (1).

11143204343 is an equidigital number, since it uses as much as digits as its factorization.

11143204343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 11143204343 its reverse (34340234111), we get a palindrome (45483438454).

The spelling of 11143204343 in words is "eleven billion, one hundred forty-three million, two hundred four thousand, three hundred forty-three".