983143 has 4 divisors (see below), whose sum is σ = 1123600. Its totient is φ = 842688.

The previous prime is 983141. The next prime is 983149. The reversal of 983143 is 341389.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341389 = 23 ⋅14843.

It is not a de Polignac number, because 983143 - 2¹ = 983141 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (983141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70218 + ... + 70231.

It is an arithmetic number, because the mean of its divisors is an integer number (280900).

2⁹⁸³¹⁴³ is an apocalyptic number.

983143 is a deficient number, since it is larger than the sum of its proper divisors (140457).

983143 is a wasteful number, since it uses less digits than its factorization.

983143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140456.

The product of its digits is 2592, while the sum is 28.

The square root of 983143 is about 991.5356776234. The cubic root of 983143 is about 99.4349127792.

The spelling of 983143 in words is "nine hundred eighty-three thousand, one hundred forty-three".