143121420343 has 8 divisors (see below), whose sum is σ = 165316721040. Its totient is φ = 122456830080.

The previous prime is 143121420319. The next prime is 143121420457. The reversal of 143121420343 is 343024121341.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 143121420343 - 2⁵ = 143121420311 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 (143121427343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382677408 + ... + 382677781.

It is an arithmetic number, because the mean of its divisors is an integer number (20664590130).

Almost surely, 2^143121420343 is an apocalyptic number.

143121420343 is a deficient number, since it is larger than the sum of its proper divisors (22195300697).

143121420343 is a wasteful number, since it uses less digits than its factorization.

143121420343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765355217.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 143121420343 its reverse (343024121341), we get a palindrome (486145541684).

The spelling of 143121420343 in words is "one hundred forty-three billion, one hundred twenty-one million, four hundred twenty thousand, three hundred forty-three".