65343143 has 2 divisors, whose sum is σ = 65343144. Its totient is φ = 65343142.

The previous prime is 65343137. The next prime is 65343169. The reversal of 65343143 is 34134356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65343143 - 2¹⁰ = 65342119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65342143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32671571 + 32671572.

It is an arithmetic number, because the mean of its divisors is an integer number (32671572).

Almost surely, 2^65343143 is an apocalyptic number.

65343143 is a deficient number, since it is larger than the sum of its proper divisors (1).

65343143 is an equidigital number, since it uses as much as digits as its factorization.

65343143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 29.

The square root of 65343143 is about 8083.5105616310. The cubic root of 65343143 is about 402.7788646559.

Adding to 65343143 its reverse (34134356), we get a palindrome (99477499).

The spelling of 65343143 in words is "sixty-five million, three hundred forty-three thousand, one hundred forty-three".