2323121112 has 96 divisors (see below), whose sum is σ = 6791846880. Its totient is φ = 713111040.

The previous prime is 2323121081. The next prime is 2323121117. The reversal of 2323121112 is 2111213232.

It is a Harshad number since it is a multiple of its sum of digits (18).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2323121117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 425037 + ... + 430467.

It is an arithmetic number, because the mean of its divisors is an integer number (70748405).

Almost surely, 2^2323121112 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 2323121112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3395923440).

2323121112 is an abundant number, since it is smaller than the sum of its proper divisors (4468725768).

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

2323121112 is a wasteful number, since it uses less digits than its factorization.

2323121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5913 (or 5906 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 2323121112 is about 48198.7667062136. The cubic root of 2323121112 is about 1324.4145721829.

Adding to 2323121112 its reverse (2111213232), we get a palindrome (4434334344).

The spelling of 2323121112 in words is "two billion, three hundred twenty-three million, one hundred twenty-one thousand, one hundred twelve".