378148423 has 2 divisors, whose sum is σ = 378148424. Its totient is φ = 378148422.

The previous prime is 378148403. The next prime is 378148471. The reversal of 378148423 is 324841873.

It is a weak prime.

It is an emirp because it is prime and its reverse (324841873) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-378148423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378148403) 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, 189074211 + 189074212.

It is an arithmetic number, because the mean of its divisors is an integer number (189074212).

Almost surely, 2^378148423 is an apocalyptic number.

378148423 is a deficient number, since it is larger than the sum of its proper divisors (1).

378148423 is an equidigital number, since it uses as much as digits as its factorization.

378148423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 40.

The square root of 378148423 is about 19446.0387482901. The cubic root of 378148423 is about 723.1373019339.

The spelling of 378148423 in words is "three hundred seventy-eight million, one hundred forty-eight thousand, four hundred twenty-three".