223444421234 has 8 divisors (see below), whose sum is σ = 342297836928. Its totient is φ = 109345142260.

The previous prime is 223444421203. The next prime is 223444421257. The reversal of 223444421234 is 432124444322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 223444421194 and 223444421203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1188534062 + ... + 1188534249.

It is an arithmetic number, because the mean of its divisors is an integer number (42787229616).

Almost surely, 2^223444421234 is an apocalyptic number.

223444421234 is a deficient number, since it is larger than the sum of its proper divisors (118853415694).

223444421234 is a wasteful number, since it uses less digits than its factorization.

223444421234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2377068360.

The product of its digits is 147456, while the sum is 35.

Adding to 223444421234 its reverse (432124444322), we get a palindrome (655568865556).

The spelling of 223444421234 in words is "two hundred twenty-three billion, four hundred forty-four million, four hundred twenty-one thousand, two hundred thirty-four".