378224423 has 2 divisors, whose sum is σ = 378224424. Its totient is φ = 378224422.

The previous prime is 378224419. The next prime is 378224453. The reversal of 378224423 is 324422873.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 378224423 - 2² = 378224419 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378224453) 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, 189112211 + 189112212.

It is an arithmetic number, because the mean of its divisors is an integer number (189112212).

Almost surely, 2^378224423 is an apocalyptic number.

378224423 is a deficient number, since it is larger than the sum of its proper divisors (1).

378224423 is an equidigital number, since it uses as much as digits as its factorization.

378224423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 35.

The square root of 378224423 is about 19447.9927756054. The cubic root of 378224423 is about 723.1857438949.

The spelling of 378224423 in words is "three hundred seventy-eight million, two hundred twenty-four thousand, four hundred twenty-three".