129168343 has 2 divisors, whose sum is σ = 129168344. Its totient is φ = 129168342.

The previous prime is 129168341. The next prime is 129168359. The reversal of 129168343 is 343861921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 129168343 - 2¹ = 129168341 is a prime.

Together with 129168341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129168341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64584171 + 64584172.

It is an arithmetic number, because the mean of its divisors is an integer number (64584172).

Almost surely, 2^129168343 is an apocalyptic number.

129168343 is a deficient number, since it is larger than the sum of its proper divisors (1).

129168343 is an equidigital number, since it uses as much as digits as its factorization.

129168343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 129168343 is about 11365.2251627497. The cubic root of 129168343 is about 505.4971322541.

The spelling of 129168343 in words is "one hundred twenty-nine million, one hundred sixty-eight thousand, three hundred forty-three".