196749323 has 2 divisors, whose sum is σ = 196749324. Its totient is φ = 196749322.

The previous prime is 196749229. The next prime is 196749359. The reversal of 196749323 is 323947691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 196749323 - 2²² = 192555019 is a prime.

It is a super-2 number, since 2×196749323² = 77420592201916658, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (196749373) 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, 98374661 + 98374662.

It is an arithmetic number, because the mean of its divisors is an integer number (98374662).

Almost surely, 2^196749323 is an apocalyptic number.

196749323 is a deficient number, since it is larger than the sum of its proper divisors (1).

196749323 is an equidigital number, since it uses as much as digits as its factorization.

196749323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 44.

The square root of 196749323 is about 14026.7360066410. The cubic root of 196749323 is about 581.6178797606.

The spelling of 196749323 in words is "one hundred ninety-six million, seven hundred forty-nine thousand, three hundred twenty-three".