2321784234 has 96 divisors (see below), whose sum is σ = 6285786624. Its totient is φ = 601719840.

The previous prime is 2321784217. The next prime is 2321784239. The reversal of 2321784234 is 4324871232.

It is a happy number.

2321784234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2321784239) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 723277 + ... + 726479.

It is an arithmetic number, because the mean of its divisors is an integer number (65476944).

Almost surely, 2^2321784234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2321784234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3142893312).

2321784234 is an abundant number, since it is smaller than the sum of its proper divisors (3964002390).

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

2321784234 is a wasteful number, since it uses less digits than its factorization.

2321784234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3752 (or 3749 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 2321784234 is about 48184.8963265461. The cubic root of 2321784234 is about 1324.1604714331.

The spelling of 2321784234 in words is "two billion, three hundred twenty-one million, seven hundred eighty-four thousand, two hundred thirty-four".