2312023032320 has 160 divisors (see below), whose sum is σ = 5657211687600. Its totient is φ = 906019209216.

The previous prime is 2312023032313. The next prime is 2312023032323. The reversal of 2312023032320 is 232303202132.

It can be written as a sum of positive squares in 8 ways, for example, as 633692418304 + 1678330614016 = 796048^2 + 1295504^2 .

It is a tau number, because it is divible by the number of its divisors (160).

It is not an unprimeable number, because it can be changed into a prime (2312023032323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24788012 + ... + 24881108.

Almost surely, 2^{2312023032320} is an apocalyptic number.

2312023032320 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 2312023032320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2828605843800).

2312023032320 is an abundant number, since it is smaller than the sum of its proper divisors (3345188655280).

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

2312023032320 is an equidigital number, since it uses as much as digits as its factorization.

2312023032320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93318 (or 93302 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 2312023032320 its reverse (232303202132), we get a palindrome (2544326234452).

The spelling of 2312023032320 in words is "two trillion, three hundred twelve billion, twenty-three million, thirty-two thousand, three hundred twenty".