999969000223 has 2 divisors, whose sum is σ = 999969000224. Its totient is φ = 999969000222.

The previous prime is 999969000221. The next prime is 999969000241. The reversal of 999969000223 is 322000969999.

999969000223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 999969000223 - 2¹ = 999969000221 is a prime.

Together with 999969000221, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999969000221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499984500111 + 499984500112.

It is an arithmetic number, because the mean of its divisors is an integer number (499984500112).

Almost surely, 2^999969000223 is an apocalyptic number.

999969000223 is a deficient number, since it is larger than the sum of its proper divisors (1).

999969000223 is an equidigital number, since it uses as much as digits as its factorization.

999969000223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4251528, while the sum is 58.

The spelling of 999969000223 in words is "nine hundred ninety-nine billion, nine hundred sixty-nine million, two hundred twenty-three", and thus it is an aban number.