235983 has 8 divisors (see below), whose sum is σ = 343296. Its totient is φ = 143000.

The previous prime is 235979. The next prime is 235997. The reversal of 235983 is 389532.

It is a happy number.

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

It is not a de Polignac number, because 235983 - 2² = 235979 is a prime.

It is a plaindrome in base 16.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 235983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235483) 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, 3543 + ... + 3608.

It is an arithmetic number, because the mean of its divisors is an integer number (42912).

2²³⁵⁹⁸³ is an apocalyptic number.

235983 is a deficient number, since it is larger than the sum of its proper divisors (107313).

235983 is a wasteful number, since it uses less digits than its factorization.

235983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7165.

The product of its digits is 6480, while the sum is 30.

The square root of 235983 is about 485.7808147714. The cubic root of 235983 is about 61.7959821856.

Subtracting from 235983 its product of digits (6480), we obtain a triangular number (229503 = T₆₇₇).

It can be divided in two parts, 2359 and 83, that added together give a palindrome (2442).

The spelling of 235983 in words is "two hundred thirty-five thousand, nine hundred eighty-three".