404514520223 has 4 divisors (see below), whose sum is σ = 441288567528. Its totient is φ = 367740472920.

The previous prime is 404514520219. The next prime is 404514520229. The reversal of 404514520223 is 322025415404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 404514520223 - 2² = 404514520219 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 404514520223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404514520229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18387023636 + ... + 18387023657.

It is an arithmetic number, because the mean of its divisors is an integer number (110322141882).

Almost surely, 2^404514520223 is an apocalyptic number.

404514520223 is a deficient number, since it is larger than the sum of its proper divisors (36774047305).

404514520223 is a wasteful number, since it uses less digits than its factorization.

404514520223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36774047304.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 404514520223 its reverse (322025415404), we get a palindrome (726539935627).

The spelling of 404514520223 in words is "four hundred four billion, five hundred fourteen million, five hundred twenty thousand, two hundred twenty-three".