199323265 has 4 divisors (see below), whose sum is σ = 239187924. Its totient is φ = 159458608.

The previous prime is 199323253. The next prime is 199323269. The reversal of 199323265 is 562323991.

199323265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 91412721 + 107910544 = 9561^2 + 10388^2 .

It is a cyclic number.

It is not a de Polignac number, because 199323265 - 2⁵ = 199323233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199323269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19932322 + ... + 19932331.

It is an arithmetic number, because the mean of its divisors is an integer number (59796981).

Almost surely, 2^199323265 is an apocalyptic number.

It is an amenable number.

199323265 is a deficient number, since it is larger than the sum of its proper divisors (39864659).

199323265 is an equidigital number, since it uses as much as digits as its factorization.

199323265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39864658.

The product of its digits is 87480, while the sum is 40.

The square root of 199323265 is about 14118.1891544206. The cubic root of 199323265 is about 584.1432072411.

The spelling of 199323265 in words is "one hundred ninety-nine million, three hundred twenty-three thousand, two hundred sixty-five".