423184321 has 8 divisors (see below), whose sum is σ = 509094080. Its totient is φ = 343638288.

The previous prime is 423184319. The next prime is 423184331. The reversal of 423184321 is 123481324.

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

It is not a de Polignac number, because 423184321 - 2¹ = 423184319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 423184321.

It is not an unprimeable number, because it can be changed into a prime (423184331) 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, 1590786 + ... + 1591051.

It is an arithmetic number, because the mean of its divisors is an integer number (63636760).

Almost surely, 2^423184321 is an apocalyptic number.

It is an amenable number.

423184321 is a deficient number, since it is larger than the sum of its proper divisors (85909759).

423184321 is a wasteful number, since it uses less digits than its factorization.

423184321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3181863.

The product of its digits is 4608, while the sum is 28.

The square root of 423184321 is about 20571.4443100138. Note that the first 3 decimals coincide. The cubic root of 423184321 is about 750.7750926252.

The spelling of 423184321 in words is "four hundred twenty-three million, one hundred eighty-four thousand, three hundred twenty-one".