423112211 has 4 divisors (see below), whose sum is σ = 436761024. Its totient is φ = 409463400.

The previous prime is 423112199. The next prime is 423112219. The reversal of 423112211 is 112211324.

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 423112211 - 2²² = 418917907 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 423112211.

It is not an unprimeable number, because it can be changed into a prime (423112219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6824360 + ... + 6824421.

It is an arithmetic number, because the mean of its divisors is an integer number (109190256).

Almost surely, 2^423112211 is an apocalyptic number.

423112211 is a deficient number, since it is larger than the sum of its proper divisors (13648813).

423112211 is a wasteful number, since it uses less digits than its factorization.

423112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13648812.

The product of its digits is 96, while the sum is 17.

The square root of 423112211 is about 20569.6915630741. The cubic root of 423112211 is about 750.7324465373.

Adding to 423112211 its reverse (112211324), we get a palindrome (535323535).

The spelling of 423112211 in words is "four hundred twenty-three million, one hundred twelve thousand, two hundred eleven".