195963323 has 2 divisors, whose sum is σ = 195963324. Its totient is φ = 195963322.

The previous prime is 195963281. The next prime is 195963329. The reversal of 195963323 is 323369591.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 195963323 - 2⁶ = 195963259 is a prime.

It is a super-2 number, since 2×195963323² = 76803247922404658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (195963329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97981661 + 97981662.

It is an arithmetic number, because the mean of its divisors is an integer number (97981662).

Almost surely, 2^195963323 is an apocalyptic number.

195963323 is a deficient number, since it is larger than the sum of its proper divisors (1).

195963323 is an equidigital number, since it uses as much as digits as its factorization.

195963323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 131220, while the sum is 41.

The square root of 195963323 is about 13998.6900458579. The cubic root of 195963323 is about 580.8423383011.

The spelling of 195963323 in words is "one hundred ninety-five million, nine hundred sixty-three thousand, three hundred twenty-three".