378228474623 has 2 divisors, whose sum is σ = 378228474624. Its totient is φ = 378228474622.

The previous prime is 378228474593. The next prime is 378228474697. The reversal of 378228474623 is 326474822873.

It is a weak prime.

It is an emirp because it is prime and its reverse (326474822873) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 378228474623 - 2⁸ = 378228474367 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378228474223) 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, 189114237311 + 189114237312.

It is an arithmetic number, because the mean of its divisors is an integer number (189114237312).

Almost surely, 2^378228474623 is an apocalyptic number.

378228474623 is a deficient number, since it is larger than the sum of its proper divisors (1).

378228474623 is an equidigital number, since it uses as much as digits as its factorization.

378228474623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21676032, while the sum is 56.

The spelling of 378228474623 in words is "three hundred seventy-eight billion, two hundred twenty-eight million, four hundred seventy-four thousand, six hundred twenty-three".