423328423 has 8 divisors (see below), whose sum is σ = 488243360. Its totient is φ = 359523360.

The previous prime is 423328393. The next prime is 423328427. The reversal of 423328423 is 324823324.

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

It is not a de Polignac number, because 423328423 - 2²¹ = 421231271 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 (423328427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276648 + ... + 278173.

It is an arithmetic number, because the mean of its divisors is an integer number (61030420).

Almost surely, 2^423328423 is an apocalyptic number.

423328423 is a deficient number, since it is larger than the sum of its proper divisors (64914937).

423328423 is a wasteful number, since it uses less digits than its factorization.

423328423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554937.

The product of its digits is 27648, while the sum is 31.

The square root of 423328423 is about 20574.9464883873. The cubic root of 423328423 is about 750.8603005038.

The spelling of 423328423 in words is "four hundred twenty-three million, three hundred twenty-eight thousand, four hundred twenty-three".