378195343 has 2 divisors, whose sum is σ = 378195344. Its totient is φ = 378195342.

The previous prime is 378195341. The next prime is 378195353. The reversal of 378195343 is 343591873.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 378195343 - 2¹ = 378195341 is a prime.

Together with 378195341, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 378195343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378195341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189097671 + 189097672.

It is an arithmetic number, because the mean of its divisors is an integer number (189097672).

Almost surely, 2^378195343 is an apocalyptic number.

378195343 is a deficient number, since it is larger than the sum of its proper divisors (1).

378195343 is an equidigital number, since it uses as much as digits as its factorization.

378195343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 43.

The square root of 378195343 is about 19447.2451262383. The cubic root of 378195343 is about 723.1672092374.

The spelling of 378195343 in words is "three hundred seventy-eight million, one hundred ninety-five thousand, three hundred forty-three".