423320401 has 8 divisors (see below), whose sum is σ = 489231360. Its totient is φ = 358768608.

The previous prime is 423320393. The next prime is 423320411. The reversal of 423320401 is 104023324.

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 423320401 - 2³ = 423320393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423320411) 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, 339121 + ... + 340366.

It is an arithmetic number, because the mean of its divisors is an integer number (61153920).

Almost surely, 2^423320401 is an apocalyptic number.

It is an amenable number.

423320401 is a deficient number, since it is larger than the sum of its proper divisors (65910959).

423320401 is an equidigital number, since it uses as much as digits as its factorization.

423320401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679583.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 423320401 is about 20574.7515416347. The cubic root of 423320401 is about 750.8555575831.

Adding to 423320401 its reverse (104023324), we get a palindrome (527343725).

The spelling of 423320401 in words is "four hundred twenty-three million, three hundred twenty thousand, four hundred one".