2343221321 has 8 divisors (see below), whose sum is σ = 2679156480. Its totient is φ = 2007583488.

The previous prime is 2343221297. The next prime is 2343221339. The reversal of 2343221321 is 1231223432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2343221321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2343221021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57176 + ... + 89193.

It is an arithmetic number, because the mean of its divisors is an integer number (334894560).

Almost surely, 2^2343221321 is an apocalyptic number.

It is an amenable number.

2343221321 is a deficient number, since it is larger than the sum of its proper divisors (335935159).

2343221321 is a wasteful number, since it uses less digits than its factorization.

2343221321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148663.

The product of its digits is 1728, while the sum is 23.

The square root of 2343221321 is about 48406.8313464123. The cubic root of 2343221321 is about 1328.2233274752.

Adding to 2343221321 its reverse (1231223432), we get a palindrome (3574444753).

The spelling of 2343221321 in words is "two billion, three hundred forty-three million, two hundred twenty-one thousand, three hundred twenty-one".