404311660223 has 8 divisors (see below), whose sum is σ = 426145017600. Its totient is φ = 383004407968.

The previous prime is 404311660219. The next prime is 404311660271. The reversal of 404311660223 is 322066113404.

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 404311660223 - 2² = 404311660219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 404311660223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404311660213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131524703 + ... + 131527776.

It is an arithmetic number, because the mean of its divisors is an integer number (53268127200).

Almost surely, 2^404311660223 is an apocalyptic number.

404311660223 is a deficient number, since it is larger than the sum of its proper divisors (21833357377).

404311660223 is a wasteful number, since it uses less digits than its factorization.

404311660223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263052561.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 404311660223 its reverse (322066113404), we get a palindrome (726377773627).

The spelling of 404311660223 in words is "four hundred four billion, three hundred eleven million, six hundred sixty thousand, two hundred twenty-three".