2320023312 has 60 divisors (see below), whose sum is σ = 6511379004. Its totient is φ = 771133440.

The previous prime is 2320023283. The next prime is 2320023313. The reversal of 2320023312 is 2133200232.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1012766976 + 1307256336 = 31824^2 + 36156^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2320023313) 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 11 ways as a sum of consecutive naturals, for example, 28012 + ... + 73652.

Almost surely, 2^2320023312 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 2320023312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3255689502).

2320023312 is an abundant number, since it is smaller than the sum of its proper divisors (4191355692).

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

2320023312 is a wasteful number, since it uses less digits than its factorization.

2320023312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46008 (or 45999 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2320023312 is about 48166.6203090896. The cubic root of 2320023312 is about 1323.8256236306.

Adding to 2320023312 its reverse (2133200232), we get a palindrome (4453223544).

The spelling of 2320023312 in words is "two billion, three hundred twenty million, twenty-three thousand, three hundred twelve".