223311423 has 16 divisors (see below), whose sum is σ = 304841600. Its totient is φ = 145363680.

The previous prime is 223311359. The next prime is 223311443. The reversal of 223311423 is 324113322.

It is not a de Polignac number, because 223311423 - 2⁶ = 223311359 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 223311423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223311443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21048 + ... + 29826.

It is an arithmetic number, because the mean of its divisors is an integer number (19052600).

Almost surely, 2^223311423 is an apocalyptic number.

223311423 is a deficient number, since it is larger than the sum of its proper divisors (81530177).

223311423 is a wasteful number, since it uses less digits than its factorization.

223311423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8982.

The product of its digits is 864, while the sum is 21.

The square root of 223311423 is about 14943.6080984480. The cubic root of 223311423 is about 606.6948564300.

Adding to 223311423 its reverse (324113322), we get a palindrome (547424745).

The spelling of 223311423 in words is "two hundred twenty-three million, three hundred eleven thousand, four hundred twenty-three".