99726223 has 2 divisors, whose sum is σ = 99726224. Its totient is φ = 99726222.

The previous prime is 99726197. The next prime is 99726241. The reversal of 99726223 is 32262799.

It is a strong prime.

It is an emirp because it is prime and its reverse (32262799) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99726223 - 2⁹ = 99725711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99726283) 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, 49863111 + 49863112.

It is an arithmetic number, because the mean of its divisors is an integer number (49863112).

Almost surely, 2^99726223 is an apocalyptic number.

99726223 is a deficient number, since it is larger than the sum of its proper divisors (1).

99726223 is an equidigital number, since it uses as much as digits as its factorization.

99726223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 40.

The square root of 99726223 is about 9986.3017679219. The cubic root of 99726223 is about 463.7349094558.

The spelling of 99726223 in words is "ninety-nine million, seven hundred twenty-six thousand, two hundred twenty-three".