2321230311232 has 84 divisors (see below), whose sum is σ = 5359406940804. Its totient is φ = 994593116160.

The previous prime is 2321230311227. The next prime is 2321230311241. The reversal of 2321230311232 is 2321130321232.

It can be written as a sum of positive squares in 2 ways, for example, as 1256156774656 + 1065073536576 = 1120784^2 + 1032024^2 .

It is a super-2 number, since 2×2321230311232² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2321230311197 and 2321230311206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14524882 + ... + 14683822.

It is an arithmetic number, because the mean of its divisors is an integer number (63802463581).

Almost surely, 2^{2321230311232} 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 2321230311232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2679703470402).

2321230311232 is an abundant number, since it is smaller than the sum of its proper divisors (3038176629572).

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

2321230311232 is a wasteful number, since it uses less digits than its factorization.

2321230311232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163624 (or 163607 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2321230311232 its reverse (2321130321232), we get a palindrome (4642360632464).

The spelling of 2321230311232 in words is "two trillion, three hundred twenty-one billion, two hundred thirty million, three hundred eleven thousand, two hundred thirty-two".