404224320123 has 96 divisors (see below), whose sum is σ = 668609061120. Its totient is φ = 233277408000.

The previous prime is 404224320113. The next prime is 404224320131. The reversal of 404224320123 is 321023422404.

404224320123 is a `hidden beast` number, since 404 + 2 + 243 + 2 + 0 + 12 + 3 = 666.

It is not a de Polignac number, because 404224320123 - 2¹⁷ = 404224189051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404224320113) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 134247688 + ... + 134250698.

It is an arithmetic number, because the mean of its divisors is an integer number (6964677720).

Almost surely, 2^404224320123 is an apocalyptic number.

404224320123 is a deficient number, since it is larger than the sum of its proper divisors (264384740997).

404224320123 is a wasteful number, since it uses less digits than its factorization.

404224320123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3641 (or 3638 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 404224320123 its reverse (321023422404), we get a palindrome (725247742527).

The spelling of 404224320123 in words is "four hundred four billion, two hundred twenty-four million, three hundred twenty thousand, one hundred twenty-three".