99823247 has 2 divisors, whose sum is σ = 99823248. Its totient is φ = 99823246.

The previous prime is 99823223. The next prime is 99823271. The reversal of 99823247 is 74232899.

It is a balanced prime because it is at equal distance from previous prime (99823223) and next prime (99823271).

It is a cyclic number.

It is not a de Polignac number, because 99823247 - 2¹⁰ = 99822223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99823198 and 99823207.

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, 49911623 + 49911624.

It is an arithmetic number, because the mean of its divisors is an integer number (49911624).

Almost surely, 2^99823247 is an apocalyptic number.

99823247 is a deficient number, since it is larger than the sum of its proper divisors (1).

99823247 is an equidigital number, since it uses as much as digits as its factorization.

99823247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 44.

The square root of 99823247 is about 9991.1584413420. The cubic root of 99823247 is about 463.8852504961.

The spelling of 99823247 in words is "ninety-nine million, eight hundred twenty-three thousand, two hundred forty-seven".