123227665 has 16 divisors (see below), whose sum is σ = 161554176. Its totient is φ = 89488000.

The previous prime is 123227653. The next prime is 123227707. The reversal of 123227665 is 566722321.

It is not a de Polignac number, because 123227665 - 2⁵ = 123227633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123227665.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51240 + ... + 53590.

It is an arithmetic number, because the mean of its divisors is an integer number (10097136).

Almost surely, 2^123227665 is an apocalyptic number.

It is an amenable number.

123227665 is a deficient number, since it is larger than the sum of its proper divisors (38326511).

123227665 is a wasteful number, since it uses less digits than its factorization.

123227665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3320.

The product of its digits is 30240, while the sum is 34.

The square root of 123227665 is about 11100.7956922015. The cubic root of 123227665 is about 497.6256292415.

Adding to 123227665 its reverse (566722321), we get a palindrome (689949986).

The spelling of 123227665 in words is "one hundred twenty-three million, two hundred twenty-seven thousand, six hundred sixty-five".