378923 has 4 divisors (see below), whose sum is σ = 381360. Its totient is φ = 376488.

The previous prime is 378919. The next prime is 378929. The reversal of 378923 is 329873.

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 378923 - 2² = 378919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 378923.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 378923.

It is not an unprimeable number, because it can be changed into a prime (378929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 968 + ... + 1301.

It is an arithmetic number, because the mean of its divisors is an integer number (95340).

2³⁷⁸⁹²³ is an apocalyptic number.

378923 is a deficient number, since it is larger than the sum of its proper divisors (2437).

378923 is a wasteful number, since it uses less digits than its factorization.

378923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436.

The product of its digits is 9072, while the sum is 32.

The square root of 378923 is about 615.5672181005. The cubic root of 378923 is about 72.3630709178.

The spelling of 378923 in words is "three hundred seventy-eight thousand, nine hundred twenty-three".