378432071723 has 2 divisors, whose sum is σ = 378432071724. Its totient is φ = 378432071722.

The previous prime is 378432071711. The next prime is 378432071783. The reversal of 378432071723 is 327170234873.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 378432071723 - 2¹⁸ = 378431809579 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (378432071783) 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, 189216035861 + 189216035862.

It is an arithmetic number, because the mean of its divisors is an integer number (189216035862).

Almost surely, 2^378432071723 is an apocalyptic number.

378432071723 is a deficient number, since it is larger than the sum of its proper divisors (1).

378432071723 is an equidigital number, since it uses as much as digits as its factorization.

378432071723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1185408, while the sum is 47.

The spelling of 378432071723 in words is "three hundred seventy-eight billion, four hundred thirty-two million, seventy-one thousand, seven hundred twenty-three".