123440227 has 2 divisors, whose sum is σ = 123440228. Its totient is φ = 123440226.

The previous prime is 123440167. The next prime is 123440257. The reversal of 123440227 is 722044321.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123440227 - 2⁷ = 123440099 is a prime.

It is equal to p_7026343 and since 123440227 and 7026343 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (123440257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61720113 + 61720114.

It is an arithmetic number, because the mean of its divisors is an integer number (61720114).

Almost surely, 2^123440227 is an apocalyptic number.

123440227 is a deficient number, since it is larger than the sum of its proper divisors (1).

123440227 is an equidigital number, since it uses as much as digits as its factorization.

123440227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 123440227 is about 11110.3657455549. The cubic root of 123440227 is about 497.9115919147.

Adding to 123440227 its reverse (722044321), we get a palindrome (845484548).

The spelling of 123440227 in words is "one hundred twenty-three million, four hundred forty thousand, two hundred twenty-seven".