4321320143 has 8 divisors (see below), whose sum is σ = 5039440800. Its totient is φ = 3703988400.

The previous prime is 4321320127. The next prime is 4321320163. The reversal of 4321320143 is 3410231234.

It is not a de Polignac number, because 4321320143 - 2⁴ = 4321320127 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 (4321320163) 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, 6298958 + ... + 6299643.

It is an arithmetic number, because the mean of its divisors is an integer number (629930100).

Almost surely, 2^4321320143 is an apocalyptic number.

4321320143 is a deficient number, since it is larger than the sum of its proper divisors (718120657).

4321320143 is an equidigital number, since it uses as much as digits as its factorization.

4321320143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12598622 (or 12598608 counting only the distinct ones).

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

The square root of 4321320143 is about 65736.7488015646. The cubic root of 4321320143 is about 1628.8164521079.

Adding to 4321320143 its reverse (3410231234), we get a palindrome (7731551377).

The spelling of 4321320143 in words is "four billion, three hundred twenty-one million, three hundred twenty thousand, one hundred forty-three".