123644227 has 8 divisors (see below), whose sum is σ = 141460992. Its totient is φ = 105865800.

The previous prime is 123644207. The next prime is 123644231. The reversal of 123644227 is 722446321.

It is a happy number.

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 123644227 - 2¹¹ = 123642179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123644207) 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, 2299 + ... + 15892.

It is an arithmetic number, because the mean of its divisors is an integer number (17682624).

Almost surely, 2^123644227 is an apocalyptic number.

123644227 is a deficient number, since it is larger than the sum of its proper divisors (17816765).

123644227 is an equidigital number, since it uses as much as digits as its factorization.

123644227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19169.

The product of its digits is 16128, while the sum is 31.

The square root of 123644227 is about 11119.5425715269. The cubic root of 123644227 is about 498.1857274594.

The spelling of 123644227 in words is "one hundred twenty-three million, six hundred forty-four thousand, two hundred twenty-seven".