423396321 has 8 divisors (see below), whose sum is σ = 565291200. Its totient is φ = 281882832.

The previous prime is 423396307. The next prime is 423396377. The reversal of 423396321 is 123693324.

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

It is not a de Polignac number, because 423396321 - 2⁹ = 423395809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423396521) 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, 92746 + ... + 97203.

It is an arithmetic number, because the mean of its divisors is an integer number (70661400).

Almost surely, 2^423396321 is an apocalyptic number.

It is an amenable number.

423396321 is a deficient number, since it is larger than the sum of its proper divisors (141894879).

423396321 is a wasteful number, since it uses less digits than its factorization.

423396321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190695.

The product of its digits is 23328, while the sum is 33.

The square root of 423396321 is about 20576.5964386727. The cubic root of 423396321 is about 750.9004420617.

The spelling of 423396321 in words is "four hundred twenty-three million, three hundred ninety-six thousand, three hundred twenty-one".