2343272821 has 16 divisors (see below), whose sum is σ = 2475163008. Its totient is φ = 2213992000.

The previous prime is 2343272791. The next prime is 2343272839. The reversal of 2343272821 is 1282723432.

2343272821 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 2343272821 - 2¹⁹ = 2342748533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2343272861) 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, 1293006 + ... + 1294816.

It is an arithmetic number, because the mean of its divisors is an integer number (154697688).

Almost surely, 2^2343272821 is an apocalyptic number.

It is an amenable number.

2343272821 is a deficient number, since it is larger than the sum of its proper divisors (131890187).

2343272821 is a wasteful number, since it uses less digits than its factorization.

2343272821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492.

The product of its digits is 32256, while the sum is 34.

The square root of 2343272821 is about 48407.3632932016. The cubic root of 2343272821 is about 1328.2330580969.

The spelling of 2343272821 in words is "two billion, three hundred forty-three million, two hundred seventy-two thousand, eight hundred twenty-one".