2343140321 has 2 divisors, whose sum is σ = 2343140322. Its totient is φ = 2343140320.

The previous prime is 2343140299. The next prime is 2343140323. The reversal of 2343140321 is 1230413432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1756531921 + 586608400 = 41911^2 + 24220^2 .

It is a cyclic number.

It is not a de Polignac number, because 2343140321 - 2⁶ = 2343140257 is a prime.

Together with 2343140323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2343140323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1171570160 + 1171570161.

It is an arithmetic number, because the mean of its divisors is an integer number (1171570161).

Almost surely, 2^2343140321 is an apocalyptic number.

It is an amenable number.

2343140321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2343140321 is an equidigital number, since it uses as much as digits as its factorization.

2343140321 is an evil number, because the sum of its binary digits is even.

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

The square root of 2343140321 is about 48405.9946804112. The cubic root of 2343140321 is about 1328.2080227139.

Adding to 2343140321 its reverse (1230413432), we get a palindrome (3573553753).

The spelling of 2343140321 in words is "two billion, three hundred forty-three million, one hundred forty thousand, three hundred twenty-one".