4423213423 has 4 divisors (see below), whose sum is σ = 4433289520. Its totient is φ = 4413137328.

The previous prime is 4423213411. The next prime is 4423213427. The reversal of 4423213423 is 3243123244.

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 4423213423 - 2²⁵ = 4389658991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4423213391 and 4423213400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4423213427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5037390 + ... + 5038267.

It is an arithmetic number, because the mean of its divisors is an integer number (1108322380).

Almost surely, 2^4423213423 is an apocalyptic number.

4423213423 is a deficient number, since it is larger than the sum of its proper divisors (10076097).

4423213423 is a wasteful number, since it uses less digits than its factorization.

4423213423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10076096.

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

The square root of 4423213423 is about 66507.2433874687. The cubic root of 4423213423 is about 1641.5191929894.

Adding to 4423213423 its reverse (3243123244), we get a palindrome (7666336667).

The spelling of 4423213423 in words is "four billion, four hundred twenty-three million, two hundred thirteen thousand, four hundred twenty-three".