105223065 has 16 divisors (see below), whose sum is σ = 170729856. Its totient is φ = 55328000.

The previous prime is 105223061. The next prime is 105223093. The reversal of 105223065 is 560322501.

It is not a de Polignac number, because 105223065 - 2² = 105223061 is a prime.

It is a super-2 number, since 2×105223065² = 22143786815988450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105223061) 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 in 15 ways as a sum of consecutive naturals, for example, 48336 + ... + 50465.

It is an arithmetic number, because the mean of its divisors is an integer number (10670616).

Almost surely, 2^105223065 is an apocalyptic number.

105223065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105223065 is a deficient number, since it is larger than the sum of its proper divisors (65506791).

105223065 is an equidigital number, since it uses as much as digits as its factorization.

105223065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98880.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 105223065 is about 10257.8294487674. The cubic root of 105223065 is about 472.1032418635.

Adding to 105223065 its reverse (560322501), we get a palindrome (665545566).

The spelling of 105223065 in words is "one hundred five million, two hundred twenty-three thousand, sixty-five".