728143082843 has 8 divisors (see below), whose sum is σ = 821728871280. Its totient is φ = 639122454880.

The previous prime is 728143082809. The next prime is 728143082873. The reversal of 728143082843 is 348280341827.

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 728143082843 - 2²⁰ = 728142034267 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 728143082791 and 728143082800.

It is not an unprimeable number, because it can be changed into a prime (728143082803) 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, 1141289780 + ... + 1141290417.

It is an arithmetic number, because the mean of its divisors is an integer number (102716108910).

Almost surely, 2^728143082843 is an apocalyptic number.

728143082843 is a deficient number, since it is larger than the sum of its proper divisors (93585788437).

728143082843 is a wasteful number, since it uses less digits than its factorization.

728143082843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2282580237.

The product of its (nonzero) digits is 2064384, while the sum is 50.

The spelling of 728143082843 in words is "seven hundred twenty-eight billion, one hundred forty-three million, eighty-two thousand, eight hundred forty-three".