123428227 has 8 divisors (see below), whose sum is σ = 133066080. Its totient is φ = 113810880.

The previous prime is 123428213. The next prime is 123428231. The reversal of 123428227 is 722824321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123428227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123428297) 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, 8799 + ... + 18007.

It is an arithmetic number, because the mean of its divisors is an integer number (16633260).

Almost surely, 2^123428227 is an apocalyptic number.

123428227 is a deficient number, since it is larger than the sum of its proper divisors (9637853).

123428227 is a wasteful number, since it uses less digits than its factorization.

123428227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10253.

The product of its digits is 10752, while the sum is 31.

The square root of 123428227 is about 11109.8256962024. The cubic root of 123428227 is about 497.8954568916.

The spelling of 123428227 in words is "one hundred twenty-three million, four hundred twenty-eight thousand, two hundred twenty-seven".