123683 has 4 divisors (see below), whose sum is σ = 141360. Its totient is φ = 106008.

The previous prime is 123677. The next prime is 123701. The reversal of 123683 is 386321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 386321 = 13 ⋅29717.

It is not a de Polignac number, because 123683 - 2⁴ = 123667 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123653) 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, 8828 + ... + 8841.

It is an arithmetic number, because the mean of its divisors is an integer number (35340).

2¹²³⁶⁸³ is an apocalyptic number.

123683 is a deficient number, since it is larger than the sum of its proper divisors (17677).

123683 is an equidigital number, since it uses as much as digits as its factorization.

123683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17676.

The product of its digits is 864, while the sum is 23.

The square root of 123683 is about 351.6859394403. The cubic root of 123683 is about 49.8237796575.

The spelling of 123683 in words is "one hundred twenty-three thousand, six hundred eighty-three".