2321432120 has 128 divisors (see below), whose sum is σ = 6102691200. Its totient is φ = 778346496.

The previous prime is 2321432119. The next prime is 2321432129. The reversal of 2321432120 is 212341232.

2321432120 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 (20).

It is a junction number, because it is equal to n+sod(n) for n = 2321432092 and 2321432101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321432129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2799866 + ... + 2800694.

It is an arithmetic number, because the mean of its divisors is an integer number (47677275).

Almost surely, 2^2321432120 is an apocalyptic number.

2321432120 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 2321432120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3051345600).

2321432120 is an abundant number, since it is smaller than the sum of its proper divisors (3781259080).

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

2321432120 is a wasteful number, since it uses less digits than its factorization.

2321432120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057 (or 1053 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2321432120 is about 48181.2424082236. The cubic root of 2321432120 is about 1324.0935288054.

Adding to 2321432120 its reverse (212341232), we get a palindrome (2533773352).

The spelling of 2321432120 in words is "two billion, three hundred twenty-one million, four hundred thirty-two thousand, one hundred twenty".