223443133451144 has 8 divisors (see below), whose sum is σ = 418955875220910. Its totient is φ = 111721566725568.

The previous prime is 223443133451059. The next prime is 223443133451173. The reversal of 223443133451144 is 441154331344322.

It can be written as a sum of positive squares in only one way, i.e., 203928738851044 + 19514394600100 = 14280362^2 + 4417510^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 223443133451095 and 223443133451104.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13965195840689 + ... + 13965195840704.

Almost surely, 2^{223443133451144} is an apocalyptic number.

It is an amenable number.

223443133451144 is a deficient number, since it is larger than the sum of its proper divisors (195512741769766).

223443133451144 is a wasteful number, since it uses less digits than its factorization.

223443133451144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27930391681399 (or 27930391681395 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 44.

Adding to 223443133451144 its reverse (441154331344322), we get a palindrome (664597464795466).

The spelling of 223443133451144 in words is "two hundred twenty-three trillion, four hundred forty-three billion, one hundred thirty-three million, four hundred fifty-one thousand, one hundred forty-four".