102243223 has 2 divisors, whose sum is σ = 102243224. Its totient is φ = 102243222.

The previous prime is 102243221. The next prime is 102243227. The reversal of 102243223 is 322342201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102243223 - 2¹ = 102243221 is a prime.

Together with 102243221, 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 102243223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102243221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51121611 + 51121612.

It is an arithmetic number, because the mean of its divisors is an integer number (51121612).

Almost surely, 2^102243223 is an apocalyptic number.

102243223 is a deficient number, since it is larger than the sum of its proper divisors (1).

102243223 is an equidigital number, since it uses as much as digits as its factorization.

102243223 is an odious number, because the sum of its binary digits is odd.

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

The square root of 102243223 is about 10111.5391014425. The cubic root of 102243223 is about 467.6039564066.

Adding to 102243223 its reverse (322342201), we get a palindrome (424585424).

The spelling of 102243223 in words is "one hundred two million, two hundred forty-three thousand, two hundred twenty-three".