2320231444432 has 80 divisors (see below), whose sum is σ = 4934498082624. Its totient is φ = 1048139136000.

The previous prime is 2320231444403. The next prime is 2320231444439. The reversal of 2320231444432 is 2344441320232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320231444439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18404332 + ... + 18529972.

Almost surely, 2^{2320231444432} is an apocalyptic number.

2320231444432 is a gapful number since it is divisible by the number (22) 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 2320231444432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2467249041312).

2320231444432 is an abundant number, since it is smaller than the sum of its proper divisors (2614266638192).

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

2320231444432 is a wasteful number, since it uses less digits than its factorization.

2320231444432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126308 (or 126302 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 2320231444432 its reverse (2344441320232), we get a palindrome (4664672764664).

The spelling of 2320231444432 in words is "two trillion, three hundred twenty billion, two hundred thirty-one million, four hundred forty-four thousand, four hundred thirty-two".