100000223 has 2 divisors, whose sum is σ = 100000224. Its totient is φ = 100000222.

The previous prime is 100000217. The next prime is 100000231. The reversal of 100000223 is 322000001.

It is an a-pointer prime, because the next prime (100000231) can be obtained adding 100000223 to its sum of digits (8).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100000223 - 2²⁶ = 32891359 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100000223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100000213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000111 + 50000112.

It is an arithmetic number, because the mean of its divisors is an integer number (50000112).

Almost surely, 2^100000223 is an apocalyptic number.

100000223 is a deficient number, since it is larger than the sum of its proper divisors (1).

100000223 is an equidigital number, since it uses as much as digits as its factorization.

100000223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 100000223 is about 10000.0111499938. The cubic root of 100000223 is about 464.1592283858.

Adding to 100000223 its reverse (322000001), we get a palindrome (422000224).

The spelling of 100000223 in words is "one hundred million, two hundred twenty-three", and thus it is an aban number.