9543143 has 2 divisors, whose sum is σ = 9543144. Its totient is φ = 9543142.

The previous prime is 9543113. The next prime is 9543167. The reversal of 9543143 is 3413459.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9543143 - 2¹⁶ = 9477607 is a prime.

It is equal to p₆₃₆₂₇₅ and since 9543143 and 636275 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9543113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4771571 + 4771572.

It is an arithmetic number, because the mean of its divisors is an integer number (4771572).

Almost surely, 2^9543143 is an apocalyptic number.

9543143 is a deficient number, since it is larger than the sum of its proper divisors (1).

9543143 is an equidigital number, since it uses as much as digits as its factorization.

9543143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 29.

The square root of 9543143 is about 3089.1977923079. The cubic root of 9543143 is about 212.1113023594. Note that the first 3 decimals are identical.

The spelling of 9543143 in words is "nine million, five hundred forty-three thousand, one hundred forty-three".