223446044423 has 16 divisors (see below), whose sum is σ = 258384072960. Its totient is φ = 189271066176.

The previous prime is 223446044417. The next prime is 223446044431. The reversal of 223446044423 is 324440644322.

It is a cyclic number.

It is not a de Polignac number, because 223446044423 - 2⁶ = 223446044359 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 (223446044123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58361 + ... + 671042.

It is an arithmetic number, because the mean of its divisors is an integer number (16149004560).

Almost surely, 2^223446044423 is an apocalyptic number.

223446044423 is a deficient number, since it is larger than the sum of its proper divisors (34938028537).

223446044423 is a wasteful number, since it uses less digits than its factorization.

223446044423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729926.

The product of its (nonzero) digits is 442368, while the sum is 38.

Adding to 223446044423 its reverse (324440644322), we get a palindrome (547886688745).

The spelling of 223446044423 in words is "two hundred twenty-three billion, four hundred forty-six million, forty-four thousand, four hundred twenty-three".