423327391 has 8 divisors (see below), whose sum is σ = 445942400. Its totient is φ = 400745880.

The previous prime is 423327383. The next prime is 423327403. The reversal of 423327391 is 193723324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 423327391 - 2³ = 423327383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423327341) 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 in 7 ways as a sum of consecutive naturals, for example, 20086 + ... + 35356.

It is an arithmetic number, because the mean of its divisors is an integer number (55742800).

Almost surely, 2^423327391 is an apocalyptic number.

423327391 is a deficient number, since it is larger than the sum of its proper divisors (22615009).

423327391 is a wasteful number, since it uses less digits than its factorization.

423327391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16749.

The product of its digits is 27216, while the sum is 34.

The square root of 423327391 is about 20574.9214093274. The cubic root of 423327391 is about 750.8596903483.

The spelling of 423327391 in words is "four hundred twenty-three million, three hundred twenty-seven thousand, three hundred ninety-one".