4000321343 has 2 divisors, whose sum is σ = 4000321344. Its totient is φ = 4000321342.

The previous prime is 4000321337. The next prime is 4000321373. The reversal of 4000321343 is 3431230004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4000321343 - 2⁶ = 4000321279 is a prime.

It is a super-2 number, since 2×4000321343² = 32005141694522647298, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4000321373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000160671 + 2000160672.

It is an arithmetic number, because the mean of its divisors is an integer number (2000160672).

Almost surely, 2^4000321343 is an apocalyptic number.

4000321343 is a deficient number, since it is larger than the sum of its proper divisors (1).

4000321343 is an equidigital number, since it uses as much as digits as its factorization.

4000321343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 4000321343 is about 63248.0935918230. The cubic root of 4000321343 is about 1587.4435591813.

Adding to 4000321343 its reverse (3431230004), we get a palindrome (7431551347).

The spelling of 4000321343 in words is "four billion, three hundred twenty-one thousand, three hundred forty-three".