1178340343 has 2 divisors, whose sum is σ = 1178340344. Its totient is φ = 1178340342.

The previous prime is 1178340341. The next prime is 1178340403. The reversal of 1178340343 is 3430438711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1178340343 - 2¹ = 1178340341 is a prime.

Together with 1178340341, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1178340299 and 1178340308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1178340341) 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, 589170171 + 589170172.

It is an arithmetic number, because the mean of its divisors is an integer number (589170172).

Almost surely, 2^1178340343 is an apocalyptic number.

1178340343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1178340343 is an equidigital number, since it uses as much as digits as its factorization.

1178340343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 1178340343 is about 34326.9623328369. The cubic root of 1178340343 is about 1056.2261502825.

The spelling of 1178340343 in words is "one billion, one hundred seventy-eight million, three hundred forty thousand, three hundred forty-three".