404213323023 has 6 divisors (see below), whose sum is σ = 583863688824. Its totient is φ = 269475548676.

The previous prime is 404213323013. The next prime is 404213323127. The reversal of 404213323023 is 320323312404.

404213323023 is a `hidden beast` number, since 4 + 0 + 4 + 21 + 332 + 302 + 3 = 666.

It is not a de Polignac number, because 404213323023 - 2⁶ = 404213322959 is a prime.

It is a super-2 number, since 2×404213323023² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404213323013) 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, 22456295715 + ... + 22456295732.

It is an arithmetic number, because the mean of its divisors is an integer number (97310614804).

Almost surely, 2^404213323023 is an apocalyptic number.

404213323023 is a deficient number, since it is larger than the sum of its proper divisors (179650365801).

404213323023 is a wasteful number, since it uses less digits than its factorization.

404213323023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44912591453 (or 44912591450 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 404213323023 its reverse (320323312404), we get a palindrome (724536635427).

The spelling of 404213323023 in words is "four hundred four billion, two hundred thirteen million, three hundred twenty-three thousand, twenty-three".