2323211321 has 4 divisors (see below), whose sum is σ = 2332851444. Its totient is φ = 2313571200.

The previous prime is 2323211309. The next prime is 2323211323. The reversal of 2323211321 is 1231123232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1525996096 + 797215225 = 39064^2 + 28235^2 .

It is a cyclic number.

It is not a de Polignac number, because 2323211321 - 2²² = 2319017017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2323211293 and 2323211302.

It is not an unprimeable number, because it can be changed into a prime (2323211323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4819700 + ... + 4820181.

It is an arithmetic number, because the mean of its divisors is an integer number (583212861).

Almost surely, 2^2323211321 is an apocalyptic number.

It is an amenable number.

2323211321 is a deficient number, since it is larger than the sum of its proper divisors (9640123).

2323211321 is an equidigital number, since it uses as much as digits as its factorization.

2323211321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9640122.

The product of its digits is 432, while the sum is 20.

The square root of 2323211321 is about 48199.7024990819. The cubic root of 2323211321 is about 1324.4317147198.

Adding to 2323211321 its reverse (1231123232), we get a palindrome (3554334553).

The spelling of 2323211321 in words is "two billion, three hundred twenty-three million, two hundred eleven thousand, three hundred twenty-one".