223434013023221 has 48 divisors (see below), whose sum is σ = 318176852918400. Its totient is φ = 152253262846080.

The previous prime is 223434013023191. The next prime is 223434013023281. The reversal of 223434013023221 is 122320310434322.

It is a de Polignac number, because none of the positive numbers 2^k-223434013023221 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223434013023281) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 533787926 + ... + 534206343.

It is an arithmetic number, because the mean of its divisors is an integer number (6628684435800).

Almost surely, 2^{223434013023221} is an apocalyptic number.

It is an amenable number.

223434013023221 is a deficient number, since it is larger than the sum of its proper divisors (94742839895179).

223434013023221 is a wasteful number, since it uses less digits than its factorization.

223434013023221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067994330 (or 1067994319 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 223434013023221 its reverse (122320310434322), we get a palindrome (345754323457543).

The spelling of 223434013023221 in words is "two hundred twenty-three trillion, four hundred thirty-four billion, thirteen million, twenty-three thousand, two hundred twenty-one".