404023423311 has 16 divisors (see below), whose sum is σ = 598575938400. Its totient is φ = 269338725504.

The previous prime is 404023423301. The next prime is 404023423333. The reversal of 404023423311 is 113324320404.

404023423311 is a `hidden beast` number, since 4 + 0 + 4 + 0 + 2 + 342 + 3 + 311 = 666.

It is not a de Polignac number, because 404023423311 - 2⁷ = 404023423183 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404023423301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477685 + ... + 1017953.

It is an arithmetic number, because the mean of its divisors is an integer number (37410996150).

Almost surely, 2^404023423311 is an apocalyptic number.

404023423311 is a deficient number, since it is larger than the sum of its proper divisors (194552515089).

404023423311 is a wasteful number, since it uses less digits than its factorization.

404023423311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567975 (or 567969 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 404023423311 its reverse (113324320404), we get a palindrome (517347743715).

The spelling of 404023423311 in words is "four hundred four billion, twenty-three million, four hundred twenty-three thousand, three hundred eleven".