823952099 has 2 divisors, whose sum is σ = 823952100. Its totient is φ = 823952098.

The previous prime is 823952083. The next prime is 823952153. The reversal of 823952099 is 990259328.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 823952099 - 2⁴ = 823952083 is a prime.

It is a super-2 number, since 2×823952099² = 1357794122893011602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (823952009) 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, 411976049 + 411976050.

It is an arithmetic number, because the mean of its divisors is an integer number (411976050).

Almost surely, 2^823952099 is an apocalyptic number.

823952099 is a deficient number, since it is larger than the sum of its proper divisors (1).

823952099 is an equidigital number, since it uses as much as digits as its factorization.

823952099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 823952099 is about 28704.5658214856. The cubic root of 823952099 is about 937.4914626541.

The spelling of 823952099 in words is "eight hundred twenty-three million, nine hundred fifty-two thousand, ninety-nine".