83123 has 4 divisors (see below), whose sum is σ = 84048. Its totient is φ = 82200.

The previous prime is 83117. The next prime is 83137. The reversal of 83123 is 32138.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 32138 = 2 ⋅16069.

It is a cyclic number.

It is not a de Polignac number, because 83123 - 2⁶ = 83059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83023) 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, 311 + ... + 512.

It is an arithmetic number, because the mean of its divisors is an integer number (21012).

2⁸³¹²³ is an apocalyptic number.

83123 is a deficient number, since it is larger than the sum of its proper divisors (925).

83123 is a wasteful number, since it uses less digits than its factorization.

83123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924.

The product of its digits is 144, while the sum is 17.

The square root of 83123 is about 288.3105964060. The cubic root of 83123 is about 43.6422436573.

The spelling of 83123 in words is "eighty-three thousand, one hundred twenty-three".