299908223 has 2 divisors, whose sum is σ = 299908224. Its totient is φ = 299908222.

The previous prime is 299908211. The next prime is 299908249. The reversal of 299908223 is 322809992.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 299908223 - 2²⁰ = 298859647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (299908123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149954111 + 149954112.

It is an arithmetic number, because the mean of its divisors is an integer number (149954112).

Almost surely, 2^299908223 is an apocalyptic number.

299908223 is a deficient number, since it is larger than the sum of its proper divisors (1).

299908223 is an equidigital number, since it uses as much as digits as its factorization.

299908223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 299908223 is about 17317.8584992487. The cubic root of 299908223 is about 669.3646780665.

The spelling of 299908223 in words is "two hundred ninety-nine million, nine hundred eight thousand, two hundred twenty-three".