99308243 has 2 divisors, whose sum is σ = 99308244. Its totient is φ = 99308242.

The previous prime is 99308219. The next prime is 99308257. The reversal of 99308243 is 34280399.

It is a strong prime.

It is an emirp because it is prime and its reverse (34280399) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99308243 - 2⁸ = 99307987 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 99308197 and 99308206.

It is not a weakly prime, because it can be changed into another prime (99308213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49654121 + 49654122.

It is an arithmetic number, because the mean of its divisors is an integer number (49654122).

Almost surely, 2^99308243 is an apocalyptic number.

99308243 is a deficient number, since it is larger than the sum of its proper divisors (1).

99308243 is an equidigital number, since it uses as much as digits as its factorization.

99308243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 99308243 is about 9965.3521262422. The cubic root of 99308243 is about 463.0861220561.

The spelling of 99308243 in words is "ninety-nine million, three hundred eight thousand, two hundred forty-three".