404223340223 has 4 divisors (see below), whose sum is σ = 404225194608. Its totient is φ = 404221485840.

The previous prime is 404223340207. The next prime is 404223340253. The reversal of 404223340223 is 322043322404.

It is a happy number.

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 404223340223 - 2⁴ = 404223340207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404223340253) 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, 548723 + ... + 1053348.

It is an arithmetic number, because the mean of its divisors is an integer number (101056298652).

Almost surely, 2^404223340223 is an apocalyptic number.

404223340223 is a deficient number, since it is larger than the sum of its proper divisors (1854385).

404223340223 is a wasteful number, since it uses less digits than its factorization.

404223340223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854384.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 404223340223 its reverse (322043322404), we get a palindrome (726266662627).

The spelling of 404223340223 in words is "four hundred four billion, two hundred twenty-three million, three hundred forty thousand, two hundred twenty-three".