230111232312 has 128 divisors (see below), whose sum is σ = 628715727360. Its totient is φ = 69755159040.

The previous prime is 230111232293. The next prime is 230111232409. The reversal of 230111232312 is 213232111032.

It is a super-4 number, since 4×230111232312⁴ (a number of 47 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39582718 + ... + 39588530.

It is an arithmetic number, because the mean of its divisors is an integer number (4911841620).

Almost surely, 2^230111232312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230111232312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314357863680).

230111232312 is an abundant number, since it is smaller than the sum of its proper divisors (398604495048).

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

230111232312 is a wasteful number, since it uses less digits than its factorization.

230111232312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7693 (or 7689 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 230111232312 its reverse (213232111032), we get a palindrome (443343343344).

The spelling of 230111232312 in words is "two hundred thirty billion, one hundred eleven million, two hundred thirty-two thousand, three hundred twelve".