404315323 has 4 divisors (see below), whose sum is σ = 411943968. Its totient is φ = 396686680.

The previous prime is 404315311. The next prime is 404315357. The reversal of 404315323 is 323513404.

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 404315323 - 2¹³ = 404307131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404315123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3814243 + ... + 3814348.

It is an arithmetic number, because the mean of its divisors is an integer number (102985992).

Almost surely, 2^404315323 is an apocalyptic number.

404315323 is a deficient number, since it is larger than the sum of its proper divisors (7628645).

404315323 is an equidigital number, since it uses as much as digits as its factorization.

404315323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7628644.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 404315323 is about 20107.5936650809. The cubic root of 404315323 is about 739.4464590606.

Adding to 404315323 its reverse (323513404), we get a palindrome (727828727).

It can be divided in two parts, 40431 and 5323, that added together give a palindrome (45754).

The spelling of 404315323 in words is "four hundred four million, three hundred fifteen thousand, three hundred twenty-three".