123873 has 8 divisors (see below), whose sum is σ = 166848. Its totient is φ = 81744.

The previous prime is 123863. The next prime is 123887. The reversal of 123873 is 378321.

123873 is nontrivially palindromic in base 16.

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

It is not a de Polignac number, because 123873 - 2¹⁰ = 122849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123803) 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, 340 + ... + 602.

It is an arithmetic number, because the mean of its divisors is an integer number (20856).

2¹²³⁸⁷³ is an apocalyptic number.

It is an amenable number.

123873 is a deficient number, since it is larger than the sum of its proper divisors (42975).

123873 is a wasteful number, since it uses less digits than its factorization.

123873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423.

The product of its digits is 1008, while the sum is 24.

The square root of 123873 is about 351.9559631545. The cubic root of 123873 is about 49.8492794562.

The spelling of 123873 in words is "one hundred twenty-three thousand, eight hundred seventy-three".