199223803 has 2 divisors, whose sum is σ = 199223804. Its totient is φ = 199223802.

The previous prime is 199223777. The next prime is 199223831. The reversal of 199223803 is 308322991.

It is a weak prime.

It is an emirp because it is prime and its reverse (308322991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 199223803 - 2⁵ = 199223771 is a prime.

It is not a weakly prime, because it can be changed into another prime (199223863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99611901 + 99611902.

It is an arithmetic number, because the mean of its divisors is an integer number (99611902).

Almost surely, 2^199223803 is an apocalyptic number.

199223803 is a deficient number, since it is larger than the sum of its proper divisors (1).

199223803 is an equidigital number, since it uses as much as digits as its factorization.

199223803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 199223803 is about 14114.6662376409. Note that the first 3 decimals coincide. The cubic root of 199223803 is about 584.0460288907.

The spelling of 199223803 in words is "one hundred ninety-nine million, two hundred twenty-three thousand, eight hundred three".