99823271 has 2 divisors, whose sum is σ = 99823272. Its totient is φ = 99823270.

The previous prime is 99823247. The next prime is 99823277. The reversal of 99823271 is 17232899.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (17232899) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99823271 - 2¹⁸ = 99561127 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99823277) 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, 49911635 + 49911636.

It is an arithmetic number, because the mean of its divisors is an integer number (49911636).

Almost surely, 2^99823271 is an apocalyptic number.

99823271 is a deficient number, since it is larger than the sum of its proper divisors (1).

99823271 is an equidigital number, since it uses as much as digits as its factorization.

99823271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 41.

The square root of 99823271 is about 9991.1596424039. The cubic root of 99823271 is about 463.8852876726.

The spelling of 99823271 in words is "ninety-nine million, eight hundred twenty-three thousand, two hundred seventy-one".