320001340143 has 8 divisors (see below), whose sum is σ = 449124688000. Its totient is φ = 202106109528.

The previous prime is 320001340121. The next prime is 320001340157. The reversal of 320001340143 is 341043100023.

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

It is not a de Polignac number, because 320001340143 - 2⁵ = 320001340111 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 (320001340163) 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 in 7 ways as a sum of consecutive naturals, for example, 2807029243 + ... + 2807029356.

It is an arithmetic number, because the mean of its divisors is an integer number (56140586000).

Almost surely, 2^320001340143 is an apocalyptic number.

320001340143 is a deficient number, since it is larger than the sum of its proper divisors (129123347857).

320001340143 is a wasteful number, since it uses less digits than its factorization.

320001340143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5614058621.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 320001340143 its reverse (341043100023), we get a palindrome (661044440166).

The spelling of 320001340143 in words is "three hundred twenty billion, one million, three hundred forty thousand, one hundred forty-three".