378604123 has 4 divisors (see below), whose sum is σ = 378655920. Its totient is φ = 378552328.

The previous prime is 378604117. The next prime is 378604151. The reversal of 378604123 is 321406873.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 378604123 - 2⁹ = 378603611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378604423) 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 in 3 ways as a sum of consecutive naturals, for example, 12688 + ... + 30301.

It is an arithmetic number, because the mean of its divisors is an integer number (94663980).

Almost surely, 2^378604123 is an apocalyptic number.

378604123 is a deficient number, since it is larger than the sum of its proper divisors (51797).

378604123 is an equidigital number, since it uses as much as digits as its factorization.

378604123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51796.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 378604123 is about 19457.7522597036. The cubic root of 378604123 is about 723.4276653338.

The spelling of 378604123 in words is "three hundred seventy-eight million, six hundred four thousand, one hundred twenty-three".