223111233231312 has 40 divisors (see below), whose sum is σ = 591948271956256. Its totient is φ = 72360399966336.

The previous prime is 223111233231311. The next prime is 223111233231317. The reversal of 223111233231312 is 213132332111322.

It is a happy number.

223111233231312 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×223111233231312³ (a number of 44 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 223111233231312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223111233231311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62812845418 + ... + 62812848969.

Almost surely, 2^{223111233231312} is an apocalyptic number.

It is an amenable number.

223111233231312 is an abundant number, since it is smaller than the sum of its proper divisors (368837038724944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223111233231312 is a wasteful number, since it uses less digits than its factorization.

223111233231312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125625694435 (or 125625694429 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

Adding to 223111233231312 its reverse (213132332111322), we get a palindrome (436243565342634).

The spelling of 223111233231312 in words is "two hundred twenty-three trillion, one hundred eleven billion, two hundred thirty-three million, two hundred thirty-one thousand, three hundred twelve".