404323120023 has 8 divisors (see below), whose sum is σ = 539100476928. Its totient is φ = 269547254904.

The previous prime is 404323119943. The next prime is 404323120027. The reversal of 404323120023 is 320021323404.

404323120023 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 404323120023 - 2²⁴ = 404306342807 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 404323119975 and 404323120002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404323120027) 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, 702490 + ... + 1141112.

It is an arithmetic number, because the mean of its divisors is an integer number (67387559616).

Almost surely, 2^404323120023 is an apocalyptic number.

404323120023 is a deficient number, since it is larger than the sum of its proper divisors (134777356905).

404323120023 is a wasteful number, since it uses less digits than its factorization.

404323120023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745893.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 404323120023 its reverse (320021323404), we get a palindrome (724344443427).

The spelling of 404323120023 in words is "four hundred four billion, three hundred twenty-three million, one hundred twenty thousand, twenty-three".