2323121320 has 96 divisors (see below), whose sum is σ = 5680766520. Its totient is φ = 854630400.

The previous prime is 2323121287. The next prime is 2323121323. The reversal of 2323121320 is 231213232.

It can be written as a sum of positive squares in 12 ways, for example, as 592727716 + 1730393604 = 24346^2 + 41598^2 .

It is not an unprimeable number, because it can be changed into a prime (2323121323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2710332 + ... + 2711188.

Almost surely, 2^2323121320 is an apocalyptic number.

2323121320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2323121320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2840383260).

2323121320 is an abundant number, since it is smaller than the sum of its proper divisors (3357645200).

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

2323121320 is a wasteful number, since it uses less digits than its factorization.

2323121320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295 (or 1278 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2323121320 is about 48198.7688639451. The cubic root of 2323121320 is about 1324.4146117099.

Adding to 2323121320 its reverse (231213232), we get a palindrome (2554334552).

It can be divided in two parts, 23231 and 21320, that added together give a triangular number (44551 = T₂₉₈).

The spelling of 2323121320 in words is "two billion, three hundred twenty-three million, one hundred twenty-one thousand, three hundred twenty".