423550867 has 2 divisors, whose sum is σ = 423550868. Its totient is φ = 423550866.

The previous prime is 423550859. The next prime is 423550871. The reversal of 423550867 is 768055324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423550867 - 2³ = 423550859 is a prime.

It is not a weakly prime, because it can be changed into another prime (423550807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211775433 + 211775434.

It is an arithmetic number, because the mean of its divisors is an integer number (211775434).

Almost surely, 2^423550867 is an apocalyptic number.

423550867 is a deficient number, since it is larger than the sum of its proper divisors (1).

423550867 is an equidigital number, since it uses as much as digits as its factorization.

423550867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 423550867 is about 20580.3514790200. The cubic root of 423550867 is about 750.9917942511.

The spelling of 423550867 in words is "four hundred twenty-three million, five hundred fifty thousand, eight hundred sixty-seven".