9123 has 4 divisors (see below), whose sum is σ = 12168.
Its totient is φ = 6080.
The previous prime is 9109. The next prime is 9127. The reversal of 9123 is 3219.
9123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 9123 - 25 = 9091 is a prime.
It is a D-number.
9123 is a lucky number.
It is a plaindrome in base 9 and base 14.
It is not an unprimeable number, because it can be changed into a prime (9127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1518 + ... + 1523.
It is an arithmetic number, because the mean of its divisors is an integer number (3042).
29123 is an apocalyptic number.
9123 is a deficient number, since it is larger than the sum of its proper divisors (3045).
9123 is a wasteful number, since it uses less digits than its factorization.
9123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3044.
The product of its digits is 54, while the sum is 15.
The square root of 9123 is about 95.5143968206.
The cubic root of 9123 is about 20.8951691711.
The spelling of 9123 in words is "nine thousand, one hundred twenty-three".