404423043 has 8 divisors (see below), whose sum is σ = 540460800. Its totient is φ = 269000328.

The previous prime is 404423021. The next prime is 404423059. The reversal of 404423043 is 340324404.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 404423043 - 2⁹ = 404422531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404423003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152223 + ... + 154856.

It is an arithmetic number, because the mean of its divisors is an integer number (67557600).

Almost surely, 2^404423043 is an apocalyptic number.

404423043 is a deficient number, since it is larger than the sum of its proper divisors (136037757).

404423043 is a wasteful number, since it uses less digits than its factorization.

404423043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307521.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 404423043 is about 20110.2720767274. The cubic root of 404423043 is about 739.5121224140.

Adding to 404423043 its reverse (340324404), we get a palindrome (744747447).

The spelling of 404423043 in words is "four hundred four million, four hundred twenty-three thousand, forty-three".