199983703 has 2 divisors, whose sum is σ = 199983704. Its totient is φ = 199983702.

The previous prime is 199983701. The next prime is 199983709. The reversal of 199983703 is 307389991.

It is a weak prime.

It is an emirp because it is prime and its reverse (307389991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 199983703 - 2¹ = 199983701 is a prime.

Together with 199983701, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199983701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99991851 + 99991852.

It is an arithmetic number, because the mean of its divisors is an integer number (99991852).

Almost surely, 2^199983703 is an apocalyptic number.

199983703 is a deficient number, since it is larger than the sum of its proper divisors (1).

199983703 is an equidigital number, since it uses as much as digits as its factorization.

199983703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 49.

The square root of 199983703 is about 14141.5594260322. The cubic root of 199983703 is about 584.7876629721.

The spelling of 199983703 in words is "one hundred ninety-nine million, nine hundred eighty-three thousand, seven hundred three".