100443223 has 2 divisors, whose sum is σ = 100443224. Its totient is φ = 100443222.

The previous prime is 100443221. The next prime is 100443229. The reversal of 100443223 is 322344001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100443223 - 2¹ = 100443221 is a prime.

Together with 100443221, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 100443223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100443221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50221611 + 50221612.

It is an arithmetic number, because the mean of its divisors is an integer number (50221612).

Almost surely, 2^100443223 is an apocalyptic number.

100443223 is a deficient number, since it is larger than the sum of its proper divisors (1).

100443223 is an equidigital number, since it uses as much as digits as its factorization.

100443223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 100443223 is about 10022.1366484398. The cubic root of 100443223 is about 464.8436256862.

Adding to 100443223 its reverse (322344001), we get a palindrome (422787224).

The spelling of 100443223 in words is "one hundred million, four hundred forty-three thousand, two hundred twenty-three".