378128323 has 2 divisors, whose sum is σ = 378128324. Its totient is φ = 378128322.

The previous prime is 378128299. The next prime is 378128327. The reversal of 378128323 is 323821873.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-378128323 is a prime.

It is not a weakly prime, because it can be changed into another prime (378128327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189064161 + 189064162.

It is an arithmetic number, because the mean of its divisors is an integer number (189064162).

Almost surely, 2^378128323 is an apocalyptic number.

378128323 is a deficient number, since it is larger than the sum of its proper divisors (1).

378128323 is an equidigital number, since it uses as much as digits as its factorization.

378128323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 37.

The square root of 378128323 is about 19445.5219266545. The cubic root of 378128323 is about 723.1244892247.

The spelling of 378128323 in words is "three hundred seventy-eight million, one hundred twenty-eight thousand, three hundred twenty-three".