123227999 has 2 divisors, whose sum is σ = 123228000. Its totient is φ = 123227998.

The previous prime is 123227987. The next prime is 123228013. The reversal of 123227999 is 999722321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123227999 - 2²⁴ = 106450783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123217999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61613999 + 61614000.

It is an arithmetic number, because the mean of its divisors is an integer number (61614000).

Almost surely, 2^123227999 is an apocalyptic number.

123227999 is a deficient number, since it is larger than the sum of its proper divisors (1).

123227999 is an equidigital number, since it uses as much as digits as its factorization.

123227999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 44.

The square root of 123227999 is about 11100.8107361580. The cubic root of 123227999 is about 497.6260788342.

The spelling of 123227999 in words is "one hundred twenty-three million, two hundred twenty-seven thousand, nine hundred ninety-nine".