404234213123 has 8 divisors (see below), whose sum is σ = 437063535216. Its totient is φ = 371652660000.

The previous prime is 404234213083. The next prime is 404234213191. The reversal of 404234213123 is 321312432404.

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 404234213123 - 2⁸ = 404234212867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404234213623) 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, 61938848 + ... + 61945373.

It is an arithmetic number, because the mean of its divisors is an integer number (54632941902).

Almost surely, 2^404234213123 is an apocalyptic number.

404234213123 is a deficient number, since it is larger than the sum of its proper divisors (32829322093).

404234213123 is a wasteful number, since it uses less digits than its factorization.

404234213123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123884485.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 404234213123 its reverse (321312432404), we get a palindrome (725546645527).

The spelling of 404234213123 in words is "four hundred four billion, two hundred thirty-four million, two hundred thirteen thousand, one hundred twenty-three".