196424143 has 2 divisors, whose sum is σ = 196424144. Its totient is φ = 196424142.

The previous prime is 196424141. The next prime is 196424149. The reversal of 196424143 is 341424691.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 196424143 - 2¹ = 196424141 is a prime.

Together with 196424141, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 196424099 and 196424108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196424141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98212071 + 98212072.

It is an arithmetic number, because the mean of its divisors is an integer number (98212072).

Almost surely, 2^196424143 is an apocalyptic number.

196424143 is a deficient number, since it is larger than the sum of its proper divisors (1).

196424143 is an equidigital number, since it uses as much as digits as its factorization.

196424143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 34.

The square root of 196424143 is about 14015.1397781114. The cubic root of 196424143 is about 581.2972775666.

The spelling of 196424143 in words is "one hundred ninety-six million, four hundred twenty-four thousand, one hundred forty-three".