99999343 has 2 divisors, whose sum is σ = 99999344.
Its totient is φ = 99999342.
The previous prime is 99999329. The next prime is 99999353. The reversal of 99999343 is 34399999.
It is a strong prime.
It is an emirp because it is prime and its reverse (34399999) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-99999343 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (99999323) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49999671 + 49999672.
It is an arithmetic number, because the mean of its divisors is an integer number (49999672).
Almost surely, 299999343 is an apocalyptic number.
99999343 is a deficient number, since it is larger than the sum of its proper divisors (1).
99999343 is an equidigital number, since it uses as much as digits as its factorization.
99999343 is an evil number, because the sum of its binary digits is even.
The product of its digits is 2125764, while the sum is 55.
The square root of 99999343 is about 9999.9671499460.
The cubic root of 99999343 is about 464.1578668511.
The spelling of 99999343 in words is "ninety-nine million, nine hundred ninety-nine thousand, three hundred forty-three".