404411423 has 6 divisors (see below), whose sum is σ = 437913144. Its totient is φ = 373302696.

The previous prime is 404411417. The next prime is 404411471. The reversal of 404411423 is 324114404.

It is a happy number.

It is not a de Polignac number, because 404411423 - 2¹² = 404407327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404411123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1196315 + ... + 1196652.

It is an arithmetic number, because the mean of its divisors is an integer number (72985524).

Almost surely, 2^404411423 is an apocalyptic number.

404411423 is a deficient number, since it is larger than the sum of its proper divisors (33501721).

404411423 is a wasteful number, since it uses less digits than its factorization.

404411423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2392993 (or 2392980 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 404411423 is about 20109.9831675713. The cubic root of 404411423 is about 739.5050397206.

Adding to 404411423 its reverse (324114404), we get a palindrome (728525827).

The spelling of 404411423 in words is "four hundred four million, four hundred eleven thousand, four hundred twenty-three".