404323 has 2 divisors, whose sum is σ = 404324. Its totient is φ = 404322.

The previous prime is 404321. The next prime is 404357. The reversal of 404323 is 323404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404323 - 2¹ = 404321 is a prime.

It is a super-3 number, since 3×404323³ = 198292640353338801, which contains 333 as substring.

Together with 404321, it forms a pair of twin primes.

It is equal to p₃₄₁₈₀ and since 404323 and 34180 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 404297 and 404306.

It is not a weakly prime, because it can be changed into another prime (404321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202161 + 202162.

It is an arithmetic number, because the mean of its divisors is an integer number (202162).

2⁴⁰⁴³²³ is an apocalyptic number.

404323 is a deficient number, since it is larger than the sum of its proper divisors (1).

404323 is an equidigital number, since it uses as much as digits as its factorization.

404323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 404323 is about 635.8639791654. The cubic root of 404323 is about 73.9451139149.

Adding to 404323 its reverse (323404), we get a palindrome (727727).

It can be divided in two parts, 404 and 323, that added together give a palindrome (727).

The spelling of 404323 in words is "four hundred four thousand, three hundred twenty-three", and thus it is an iban number.