405223242111 has 6 divisors (see below), whose sum is σ = 585322460840. Its totient is φ = 270148828068.

The previous prime is 405223242079. The next prime is 405223242131. The reversal of 405223242111 is 111242322504.

405223242111 is a `hidden beast` number, since 4 + 0 + 5 + 2 + 232 + 421 + 1 + 1 = 666.

It is not a de Polignac number, because 405223242111 - 2⁵ = 405223242079 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 (405223242131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22512402331 + ... + 22512402348.

Almost surely, 2^405223242111 is an apocalyptic number.

405223242111 is a deficient number, since it is larger than the sum of its proper divisors (180099218729).

405223242111 is a wasteful number, since it uses less digits than its factorization.

405223242111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45024804685 (or 45024804682 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 405223242111 its reverse (111242322504), we get a palindrome (516465564615).

The spelling of 405223242111 in words is "four hundred five billion, two hundred twenty-three million, two hundred forty-two thousand, one hundred eleven".