378675623 has 2 divisors, whose sum is σ = 378675624. Its totient is φ = 378675622.

The previous prime is 378675613. The next prime is 378675637. The reversal of 378675623 is 326576873.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 378675623 - 2¹⁸ = 378413479 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 (378675613) 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, 189337811 + 189337812.

It is an arithmetic number, because the mean of its divisors is an integer number (189337812).

Almost surely, 2^378675623 is an apocalyptic number.

378675623 is a deficient number, since it is larger than the sum of its proper divisors (1).

378675623 is an equidigital number, since it uses as much as digits as its factorization.

378675623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 47.

The square root of 378675623 is about 19459.5894869342. The cubic root of 378675623 is about 723.4732026282.

The spelling of 378675623 in words is "three hundred seventy-eight million, six hundred seventy-five thousand, six hundred twenty-three".