404231323 has 4 divisors (see below), whose sum is σ = 410858128. Its totient is φ = 397604520.

The previous prime is 404231293. The next prime is 404231339. The reversal of 404231323 is 323132404.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 404231323 - 2⁵ = 404231291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404231294 and 404231303.

It is not an unprimeable number, because it can be changed into a prime (404231353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3313311 + ... + 3313432.

It is an arithmetic number, because the mean of its divisors is an integer number (102714532).

Almost surely, 2^404231323 is an apocalyptic number.

404231323 is a deficient number, since it is larger than the sum of its proper divisors (6626805).

404231323 is an equidigital number, since it uses as much as digits as its factorization.

404231323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6626804.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 404231323 is about 20105.5047934639. The cubic root of 404231323 is about 739.3952467180.

Adding to 404231323 its reverse (323132404), we get a palindrome (727363727).

The spelling of 404231323 in words is "four hundred four million, two hundred thirty-one thousand, three hundred twenty-three".