232321020144 has 80 divisors (see below), whose sum is σ = 608661808032. Its totient is φ = 76344643584.

The previous prime is 232321020133. The next prime is 232321020157. The reversal of 232321020144 is 441020123232.

It is a happy number.

232321020144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 15 ways as a sum of consecutive naturals, for example, 8315062 + ... + 8342954.

Almost surely, 2^232321020144 is an apocalyptic number.

232321020144 is a gapful number since it is divisible by the number (24) 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 232321020144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304330904016).

232321020144 is an abundant number, since it is smaller than the sum of its proper divisors (376340787888).

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

232321020144 is a wasteful number, since it uses less digits than its factorization.

232321020144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30354 (or 30348 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 232321020144 its reverse (441020123232), we get a palindrome (673341143376).

The spelling of 232321020144 in words is "two hundred thirty-two billion, three hundred twenty-one million, twenty thousand, one hundred forty-four".