199343 has 2 divisors, whose sum is σ = 199344. Its totient is φ = 199342.

The previous prime is 199337. The next prime is 199357. The reversal of 199343 is 343991.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199343 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99671 + 99672.

It is an arithmetic number, because the mean of its divisors is an integer number (99672).

2¹⁹⁹³⁴³ is an apocalyptic number.

199343 is a deficient number, since it is larger than the sum of its proper divisors (1).

199343 is an equidigital number, since it uses as much as digits as its factorization.

199343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916, while the sum is 29.

The square root of 199343 is about 446.4784429287. The cubic root of 199343 is about 58.4162485281.

The spelling of 199343 in words is "one hundred ninety-nine thousand, three hundred forty-three".