2304344543221 has 32 divisors (see below), whose sum is σ = 2797285736448. Its totient is φ = 1853082366720.

The previous prime is 2304344543219. The next prime is 2304344543297. The reversal of 2304344543221 is 1223454434032.

It is a happy number.

2304344543221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2304344543221 - 2¹ = 2304344543219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2304344540221) 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, 87996096 + ... + 88022278.

It is an arithmetic number, because the mean of its divisors is an integer number (87415179264).

Almost surely, 2^{2304344543221} is an apocalyptic number.

It is an amenable number.

2304344543221 is a deficient number, since it is larger than the sum of its proper divisors (492941193227).

2304344543221 is a wasteful number, since it uses less digits than its factorization.

2304344543221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28521.

The product of its (nonzero) digits is 276480, while the sum is 37.

Adding to 2304344543221 its reverse (1223454434032), we get a palindrome (3527798977253).

The spelling of 2304344543221 in words is "two trillion, three hundred four billion, three hundred forty-four million, five hundred forty-three thousand, two hundred twenty-one".