423550271 has 2 divisors, whose sum is σ = 423550272. Its totient is φ = 423550270.

The previous prime is 423550247. The next prime is 423550277. The reversal of 423550271 is 172055324.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423550271 - 2¹⁸ = 423288127 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423550277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211775135 + 211775136.

It is an arithmetic number, because the mean of its divisors is an integer number (211775136).

Almost surely, 2^423550271 is an apocalyptic number.

423550271 is a deficient number, since it is larger than the sum of its proper divisors (1).

423550271 is an equidigital number, since it uses as much as digits as its factorization.

423550271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 423550271 is about 20580.3369991844. The cubic root of 423550271 is about 750.9914419980.

The spelling of 423550271 in words is "four hundred twenty-three million, five hundred fifty thousand, two hundred seventy-one".