102306223 has 2 divisors, whose sum is σ = 102306224. Its totient is φ = 102306222.

The previous prime is 102306181. The next prime is 102306227. The reversal of 102306223 is 322603201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102306223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102306223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102306227) 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, 51153111 + 51153112.

It is an arithmetic number, because the mean of its divisors is an integer number (51153112).

Almost surely, 2^102306223 is an apocalyptic number.

102306223 is a deficient number, since it is larger than the sum of its proper divisors (1).

102306223 is an equidigital number, since it uses as much as digits as its factorization.

102306223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 102306223 is about 10114.6538744536. The cubic root of 102306223 is about 467.6999790729.

Adding to 102306223 its reverse (322603201), we get a palindrome (424909424).

The spelling of 102306223 in words is "one hundred two million, three hundred six thousand, two hundred twenty-three".