983163143 has 2 divisors, whose sum is σ = 983163144. Its totient is φ = 983163142.

The previous prime is 983163131. The next prime is 983163157. The reversal of 983163143 is 341361389.

It is a happy number.

983163143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 983163143 - 2²⁸ = 714727687 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 983163097 and 983163106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (983163163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491581571 + 491581572.

It is an arithmetic number, because the mean of its divisors is an integer number (491581572).

Almost surely, 2^983163143 is an apocalyptic number.

983163143 is a deficient number, since it is larger than the sum of its proper divisors (1).

983163143 is an equidigital number, since it uses as much as digits as its factorization.

983163143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 38.

The square root of 983163143 is about 31355.4324320364. The cubic root of 983163143 is about 994.3559186106.

The spelling of 983163143 in words is "nine hundred eighty-three million, one hundred sixty-three thousand, one hundred forty-three".