4423223412 has 18 divisors (see below), whose sum is σ = 11180925938. Its totient is φ = 1474407792.

The previous prime is 4423223383. The next prime is 4423223419. The reversal of 4423223412 is 2143223244.

4423223412 is a `hidden beast` number, since 4 + 4 + 23 + 223 + 412 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4241135376 + 182088036 = 65124^2 + 13494^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4423223419) 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 5 ways as a sum of consecutive naturals, for example, 61433623 + ... + 61433694.

Almost surely, 2^4423223412 is an apocalyptic number.

It is an amenable number.

4423223412 is an abundant number, since it is smaller than the sum of its proper divisors (6757702526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4423223412 is a wasteful number, since it uses less digits than its factorization.

4423223412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122867327 (or 122867322 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 4423223412 is about 66507.3184845097. The cubic root of 4423223412 is about 1641.5204286765.

Adding to 4423223412 its reverse (2143223244), we get a palindrome (6566446656).

The spelling of 4423223412 in words is "four billion, four hundred twenty-three million, two hundred twenty-three thousand, four hundred twelve".