423221327 has 2 divisors, whose sum is σ = 423221328. Its totient is φ = 423221326.

The previous prime is 423221317. The next prime is 423221347. The reversal of 423221327 is 723122324.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423221327 - 2⁶ = 423221263 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 423221296 and 423221305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423221317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211610663 + 211610664.

It is an arithmetic number, because the mean of its divisors is an integer number (211610664).

Almost surely, 2^423221327 is an apocalyptic number.

423221327 is a deficient number, since it is larger than the sum of its proper divisors (1).

423221327 is an equidigital number, since it uses as much as digits as its factorization.

423221327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 26.

The square root of 423221327 is about 20572.3437410520. The cubic root of 423221327 is about 750.7969762126.

The spelling of 423221327 in words is "four hundred twenty-three million, two hundred twenty-one thousand, three hundred twenty-seven".