223121043244 has 18 divisors (see below), whose sum is σ = 429185313452. Its totient is φ = 101418655800.

The previous prime is 223121043203. The next prime is 223121043247. The reversal of 223121043244 is 442340121322.

223121043244 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×223121043244³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223121043247) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 230496462 + ... + 230497429.

Almost surely, 2^223121043244 is an apocalyptic number.

It is an amenable number.

223121043244 is a deficient number, since it is larger than the sum of its proper divisors (206064270208).

223121043244 is a wasteful number, since it uses less digits than its factorization.

223121043244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460993917 (or 460993904 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 223121043244 its reverse (442340121322), we get a palindrome (665461164566).

The spelling of 223121043244 in words is "two hundred twenty-three billion, one hundred twenty-one million, forty-three thousand, two hundred forty-four".