404000040023 has 8 divisors (see below), whose sum is σ = 405623165808. Its totient is φ = 402378099264.

The previous prime is 404000039999. The next prime is 404000040061. The reversal of 404000040023 is 320040000404.

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

It is a cyclic number.

It is not a de Polignac number, because 404000040023 - 2⁸ = 404000039767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404000039983 and 404000040010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404000040083) 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, 390140 + ... + 979902.

It is an arithmetic number, because the mean of its divisors is an integer number (50702895726).

Almost surely, 2^404000040023 is an apocalyptic number.

404000040023 is a deficient number, since it is larger than the sum of its proper divisors (1623125785).

404000040023 is a wasteful number, since it uses less digits than its factorization.

404000040023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592513.

The product of its (nonzero) digits is 384, while the sum is 17.

Adding to 404000040023 its reverse (320040000404), we get a palindrome (724040040427).

The spelling of 404000040023 in words is "four hundred four billion, forty thousand, twenty-three".