423428227 has 2 divisors, whose sum is σ = 423428228. Its totient is φ = 423428226.

The previous prime is 423428221. The next prime is 423428263. The reversal of 423428227 is 722824324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423428227 - 2³ = 423428219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423428192 and 423428201.

It is not a weakly prime, because it can be changed into another prime (423428221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211714113 + 211714114.

It is an arithmetic number, because the mean of its divisors is an integer number (211714114).

Almost surely, 2^423428227 is an apocalyptic number.

423428227 is a deficient number, since it is larger than the sum of its proper divisors (1).

423428227 is an equidigital number, since it uses as much as digits as its factorization.

423428227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43008, while the sum is 34.

The square root of 423428227 is about 20577.3717223556. The cubic root of 423428227 is about 750.9193035291.

The spelling of 423428227 in words is "four hundred twenty-three million, four hundred twenty-eight thousand, two hundred twenty-seven".