235123 has 4 divisors (see below), whose sum is σ = 268720. Its totient is φ = 201528.

The previous prime is 235117. The next prime is 235159. The reversal of 235123 is 321532.

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 235123 - 2⁵ = 235091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 235097 and 235106.

It is not an unprimeable number, because it can be changed into a prime (235523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16788 + ... + 16801.

It is an arithmetic number, because the mean of its divisors is an integer number (67180).

2²³⁵¹²³ is an apocalyptic number.

235123 is a deficient number, since it is larger than the sum of its proper divisors (33597).

235123 is an equidigital number, since it uses as much as digits as its factorization.

235123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33596.

The product of its digits is 180, while the sum is 16.

The square root of 235123 is about 484.8948339589. The cubic root of 235123 is about 61.7208224856.

Adding to 235123 its reverse (321532), we get a palindrome (556655).

The spelling of 235123 in words is "two hundred thirty-five thousand, one hundred twenty-three".