923378 has 4 divisors (see below), whose sum is σ = 1385070. Its totient is φ = 461688.

The previous prime is 923371. The next prime is 923387. The reversal of 923378 is 873329.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 873329 = 211 ⋅4139.

It can be written as a sum of positive squares in only one way, i.e., 896809 + 26569 = 947^2 + 163^2 .

It is not an unprimeable number, because it can be changed into a prime (923371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230843 + ... + 230846.

2⁹²³³⁷⁸ is an apocalyptic number.

923378 is a deficient number, since it is larger than the sum of its proper divisors (461692).

923378 is a wasteful number, since it uses less digits than its factorization.

923378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461691.

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

The square root of 923378 is about 960.9255954547. The cubic root of 923378 is about 97.3777736432.

The spelling of 923378 in words is "nine hundred twenty-three thousand, three hundred seventy-eight".