404343323 has 4 divisors (see below), whose sum is σ = 417386688. Its totient is φ = 391299960.

The previous prime is 404343281. The next prime is 404343341. The reversal of 404343323 is 323343404.

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 404343323 - 2¹⁰ = 404342299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404343292 and 404343301.

It is not an unprimeable number, because it can be changed into a prime (404348323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6521636 + ... + 6521697.

It is an arithmetic number, because the mean of its divisors is an integer number (104346672).

Almost surely, 2^404343323 is an apocalyptic number.

404343323 is a deficient number, since it is larger than the sum of its proper divisors (13043365).

404343323 is a wasteful number, since it uses less digits than its factorization.

404343323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13043364.

The product of its (nonzero) digits is 10368, while the sum is 26.

The square root of 404343323 is about 20108.2899073989. The cubic root of 404343323 is about 739.4635282652.

Adding to 404343323 its reverse (323343404), we get a palindrome (727686727).

The spelling of 404343323 in words is "four hundred four million, three hundred forty-three thousand, three hundred twenty-three".