423254171 has 2 divisors, whose sum is σ = 423254172. Its totient is φ = 423254170.

The previous prime is 423254149. The next prime is 423254177. The reversal of 423254171 is 171452324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423254171 - 2¹⁰ = 423253147 is a prime.

It is not a weakly prime, because it can be changed into another prime (423254177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211627085 + 211627086.

It is an arithmetic number, because the mean of its divisors is an integer number (211627086).

Almost surely, 2^423254171 is an apocalyptic number.

423254171 is a deficient number, since it is larger than the sum of its proper divisors (1).

423254171 is an equidigital number, since it uses as much as digits as its factorization.

423254171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 29.

The square root of 423254171 is about 20573.1419817198. The cubic root of 423254171 is about 750.8163975228.

The spelling of 423254171 in words is "four hundred twenty-three million, two hundred fifty-four thousand, one hundred seventy-one".