423085427 has 4 divisors (see below), whose sum is σ = 436733376. Its totient is φ = 409437480.

The previous prime is 423085423. The next prime is 423085433. The reversal of 423085427 is 724580324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 423085427 - 2² = 423085423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423085423) 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 in 3 ways as a sum of consecutive naturals, for example, 6823928 + ... + 6823989.

It is an arithmetic number, because the mean of its divisors is an integer number (109183344).

Almost surely, 2^423085427 is an apocalyptic number.

423085427 is a deficient number, since it is larger than the sum of its proper divisors (13647949).

423085427 is a wasteful number, since it uses less digits than its factorization.

423085427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13647948.

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 423085427 is about 20569.0404977967. The cubic root of 423085427 is about 750.7166051587.

The spelling of 423085427 in words is "four hundred twenty-three million, eighty-five thousand, four hundred twenty-seven".