2321223312 has 160 divisors (see below), whose sum is σ = 6481728000. Its totient is φ = 713594880.

The previous prime is 2321223269. The next prime is 2321223349. The reversal of 2321223312 is 2133221232.

It is a happy number.

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

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 9631512 + ... + 9631752.

It is an arithmetic number, because the mean of its divisors is an integer number (40510800).

Almost surely, 2^2321223312 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 2321223312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3240864000).

2321223312 is an abundant number, since it is smaller than the sum of its proper divisors (4160504688).

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

2321223312 is a wasteful number, since it uses less digits than its factorization.

2321223312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509 (or 503 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 2321223312 is about 48179.0754581281. The cubic root of 2321223312 is about 1324.0538277937.

Adding to 2321223312 its reverse (2133221232), we get a palindrome (4454444544).

The spelling of 2321223312 in words is "two billion, three hundred twenty-one million, two hundred twenty-three thousand, three hundred twelve".