102105223 has 8 divisors (see below), whose sum is σ = 113276160. Its totient is φ = 91249080.

The previous prime is 102105203. The next prime is 102105251. The reversal of 102105223 is 322501201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102105223 - 2⁵ = 102105191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102105197 and 102105206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102105203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78015 + ... + 79312.

It is an arithmetic number, because the mean of its divisors is an integer number (14159520).

Almost surely, 2^102105223 is an apocalyptic number.

102105223 is a deficient number, since it is larger than the sum of its proper divisors (11170937).

102105223 is a wasteful number, since it uses less digits than its factorization.

102105223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157397.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 102105223 is about 10104.7129103206. The cubic root of 102105223 is about 467.3934831249.

Adding to 102105223 its reverse (322501201), we get a palindrome (424606424).

The spelling of 102105223 in words is "one hundred two million, one hundred five thousand, two hundred twenty-three".