195838223 has 4 divisors (see below), whose sum is σ = 223815120. Its totient is φ = 167861328.

The previous prime is 195838219. The next prime is 195838271. The reversal of 195838223 is 322838591.

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

It is a cyclic number.

It is not a de Polignac number, because 195838223 - 2² = 195838219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195828223) 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 in 3 ways as a sum of consecutive naturals, for example, 13988438 + ... + 13988451.

It is an arithmetic number, because the mean of its divisors is an integer number (55953780).

Almost surely, 2^195838223 is an apocalyptic number.

195838223 is a deficient number, since it is larger than the sum of its proper divisors (27976897).

195838223 is an equidigital number, since it uses as much as digits as its factorization.

195838223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27976896.

The product of its digits is 103680, while the sum is 41.

The square root of 195838223 is about 13994.2210572793. The cubic root of 195838223 is about 580.7187116903.

The spelling of 195838223 in words is "one hundred ninety-five million, eight hundred thirty-eight thousand, two hundred twenty-three".