140243241220343 has 8 divisors (see below), whose sum is σ = 144703708427712. Its totient is φ = 135844297698816.

The previous prime is 140243241220331. The next prime is 140243241220373. The reversal of 140243241220343 is 343022142342041.

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 140243241220343 - 2³⁰ = 140242167478519 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 (140243241220373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15380916830 + ... + 15380925947.

It is an arithmetic number, because the mean of its divisors is an integer number (18087963553464).

Almost surely, 2^{140243241220343} is an apocalyptic number.

140243241220343 is a deficient number, since it is larger than the sum of its proper divisors (4460467207369).

140243241220343 is an equidigital number, since it uses as much as digits as its factorization.

140243241220343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30761842921.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 140243241220343 its reverse (343022142342041), we get a palindrome (483265383562384).

The spelling of 140243241220343 in words is "one hundred forty trillion, two hundred forty-three billion, two hundred forty-one million, two hundred twenty thousand, three hundred forty-three".