879923 has 8 divisors (see below), whose sum is σ = 967680. Its totient is φ = 793480.

The previous prime is 879919. The next prime is 879941. The reversal of 879923 is 329978.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 879923 - 2² = 879919 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1598 + ... + 2076.

It is an arithmetic number, because the mean of its divisors is an integer number (120960).

879923 is a Friedman number, since it can be written as 938^2+79, using all its digits and the basic arithmetic operations.

2⁸⁷⁹⁹²³ is an apocalyptic number.

879923 is a deficient number, since it is larger than the sum of its proper divisors (87757).

879923 is a wasteful number, since it uses less digits than its factorization.

879923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657.

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

The square root of 879923 is about 938.0421099290. The cubic root of 879923 is about 95.8256020648.

Subtracting from 879923 its reverse (329978), we obtain a palindrome (549945).

The spelling of 879923 in words is "eight hundred seventy-nine thousand, nine hundred twenty-three".