404201323 has 4 divisors (see below), whose sum is σ = 404250808. Its totient is φ = 404151840.

The previous prime is 404201309. The next prime is 404201327. The reversal of 404201323 is 323102404.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404201323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 404201323.

It is not an unprimeable number, because it can be changed into a prime (404201327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9261 + ... + 29902.

It is an arithmetic number, because the mean of its divisors is an integer number (101062702).

Almost surely, 2^404201323 is an apocalyptic number.

404201323 is a deficient number, since it is larger than the sum of its proper divisors (49485).

404201323 is a wasteful number, since it uses less digits than its factorization.

404201323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49484.

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

The square root of 404201323 is about 20104.7587152893. The cubic root of 404201323 is about 739.3769548762.

Adding to 404201323 its reverse (323102404), we get a palindrome (727303727).

The spelling of 404201323 in words is "four hundred four million, two hundred one thousand, three hundred twenty-three".