789923 has 4 divisors (see below), whose sum is σ = 797280. Its totient is φ = 782568.

The previous prime is 789883. The next prime is 789941. The reversal of 789923 is 329987.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-789923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (789323) 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, 3515 + ... + 3732.

It is an arithmetic number, because the mean of its divisors is an integer number (199320).

2⁷⁸⁹⁹²³ is an apocalyptic number.

789923 is a deficient number, since it is larger than the sum of its proper divisors (7357).

789923 is a wasteful number, since it uses less digits than its factorization.

789923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7356.

The product of its digits is 27216, while the sum is 38.

The square root of 789923 is about 888.7761247918. The cubic root of 789923 is about 92.4403511223.

It can be divided in two parts, 78 and 9923, that added together give a palindrome (10001).

The spelling of 789923 in words is "seven hundred eighty-nine thousand, nine hundred twenty-three".