102730223 has 2 divisors, whose sum is σ = 102730224. Its totient is φ = 102730222.

The previous prime is 102730171. The next prime is 102730247. The reversal of 102730223 is 322037201.

It is a strong prime.

It is an emirp because it is prime and its reverse (322037201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102730223 - 2¹⁴ = 102713839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102730195 and 102730204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102730253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51365111 + 51365112.

It is an arithmetic number, because the mean of its divisors is an integer number (51365112).

Almost surely, 2^102730223 is an apocalyptic number.

102730223 is a deficient number, since it is larger than the sum of its proper divisors (1).

102730223 is an equidigital number, since it uses as much as digits as its factorization.

102730223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 102730223 is about 10135.5918919420. The cubic root of 102730223 is about 468.3452036465.

Adding to 102730223 its reverse (322037201), we get a palindrome (424767424).

The spelling of 102730223 in words is "one hundred two million, seven hundred thirty thousand, two hundred twenty-three".