199328023 has 2 divisors, whose sum is σ = 199328024. Its totient is φ = 199328022.

The previous prime is 199328011. The next prime is 199328029. The reversal of 199328023 is 320823991.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 199328023 - 2¹³ = 199319831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199328029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99664011 + 99664012.

It is an arithmetic number, because the mean of its divisors is an integer number (99664012).

Almost surely, 2^199328023 is an apocalyptic number.

199328023 is a deficient number, since it is larger than the sum of its proper divisors (1).

199328023 is an equidigital number, since it uses as much as digits as its factorization.

199328023 is an odious number, because the sum of its binary digits is odd.

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

The square root of 199328023 is about 14118.3576594447. The cubic root of 199328023 is about 584.1478551870.

The spelling of 199328023 in words is "one hundred ninety-nine million, three hundred twenty-eight thousand, twenty-three".