423271223 has 2 divisors, whose sum is σ = 423271224. Its totient is φ = 423271222.

The previous prime is 423271217. The next prime is 423271259. The reversal of 423271223 is 322172324.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423271223 - 2⁴ = 423271207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423271192 and 423271201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423271213) 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, 211635611 + 211635612.

It is an arithmetic number, because the mean of its divisors is an integer number (211635612).

Almost surely, 2^423271223 is an apocalyptic number.

423271223 is a deficient number, since it is larger than the sum of its proper divisors (1).

423271223 is an equidigital number, since it uses as much as digits as its factorization.

423271223 is an odious number, because the sum of its binary digits is odd.

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

The square root of 423271223 is about 20573.5564013614. The cubic root of 423271223 is about 750.8264803133.

The spelling of 423271223 in words is "four hundred twenty-three million, two hundred seventy-one thousand, two hundred twenty-three".