999600223 has 2 divisors, whose sum is σ = 999600224. Its totient is φ = 999600222.

The previous prime is 999600211. The next prime is 999600257. The reversal of 999600223 is 322006999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 999600223 - 2⁵ = 999600191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999601223) 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, 499800111 + 499800112.

It is an arithmetic number, because the mean of its divisors is an integer number (499800112).

Almost surely, 2^999600223 is an apocalyptic number.

999600223 is a deficient number, since it is larger than the sum of its proper divisors (1).

999600223 is an equidigital number, since it uses as much as digits as its factorization.

999600223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 999600223 is about 31616.4549404262. The cubic root of 999600223 is about 999.8667232381.

The spelling of 999600223 in words is "nine hundred ninety-nine million, six hundred thousand, two hundred twenty-three".