99223 has 2 divisors, whose sum is σ = 99224. Its totient is φ = 99222.

The previous prime is 99191. The next prime is 99233. The reversal of 99223 is 32299.

It is a strong prime.

It is an emirp because it is prime and its reverse (32299) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99223 - 2⁵ = 99191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49611 + 49612.

It is an arithmetic number, because the mean of its divisors is an integer number (49612).

2⁹⁹²²³ is an apocalyptic number.

99223 is a deficient number, since it is larger than the sum of its proper divisors (1).

99223 is an equidigital number, since it uses as much as digits as its factorization.

99223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 25.

The square root of 99223 is about 314.9968253808. The cubic root of 99223 is about 46.2953584719.

The spelling of 99223 in words is "ninety-nine thousand, two hundred twenty-three".