404242330023 has 64 divisors (see below), whose sum is σ = 714453795840. Its totient is φ = 221067792000.

The previous prime is 404242330021. The next prime is 404242330049. The reversal of 404242330023 is 320033242404.

404242330023 is a `hidden beast` number, since 4 + 0 + 424 + 233 + 0 + 0 + 2 + 3 = 666.

It is not a de Polignac number, because 404242330023 - 2¹ = 404242330021 is a prime.

It is a super-2 number, since 2×404242330023² (a number of 24 digits) contains 22 as substring.

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 (404242330021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47253 + ... + 900398.

It is an arithmetic number, because the mean of its divisors is an integer number (11163340560).

Almost surely, 2^404242330023 is an apocalyptic number.

404242330023 is a deficient number, since it is larger than the sum of its proper divisors (310211465817).

404242330023 is a wasteful number, since it uses less digits than its factorization.

404242330023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947765 (or 947759 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 404242330023 its reverse (320033242404), we get a palindrome (724275572427).

The spelling of 404242330023 in words is "four hundred four billion, two hundred forty-two million, three hundred thirty thousand, twenty-three".