404212323223 has 8 divisors (see below), whose sum is σ = 409917697056. Its totient is φ = 398507289600.

The previous prime is 404212323131. The next prime is 404212323227. The reversal of 404212323223 is 322323212404.

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 404212323223 - 2²¹ = 404210226071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404212323191 and 404212323200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404212323227) 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, 3192615 + ... + 3316807.

It is an arithmetic number, because the mean of its divisors is an integer number (51239712132).

Almost surely, 2^404212323223 is an apocalyptic number.

404212323223 is a deficient number, since it is larger than the sum of its proper divisors (5705373833).

404212323223 is a wasteful number, since it uses less digits than its factorization.

404212323223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170105.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 404212323223 its reverse (322323212404), we get a palindrome (726535535627).

The spelling of 404212323223 in words is "four hundred four billion, two hundred twelve million, three hundred twenty-three thousand, two hundred twenty-three".