378323347 has 2 divisors, whose sum is σ = 378323348. Its totient is φ = 378323346.

The previous prime is 378323311. The next prime is 378323353. The reversal of 378323347 is 743323873.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 378323347 - 2²⁷ = 244105619 is a prime.

It is not a weakly prime, because it can be changed into another prime (378323447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189161673 + 189161674.

It is an arithmetic number, because the mean of its divisors is an integer number (189161674).

Almost surely, 2^378323347 is an apocalyptic number.

378323347 is a deficient number, since it is larger than the sum of its proper divisors (1).

378323347 is an equidigital number, since it uses as much as digits as its factorization.

378323347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 40.

The square root of 378323347 is about 19450.5359052135. The cubic root of 378323347 is about 723.2487877617.

The spelling of 378323347 in words is "three hundred seventy-eight million, three hundred twenty-three thousand, three hundred forty-seven".