235320 has 64 divisors (see below), whose sum is σ = 738720. Its totient is φ = 59904.

The previous prime is 235309. The next prime is 235337. The reversal of 235320 is 23532.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 235320.

It is a congruent number.

It is an unprimeable number.

235320 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4414 + ... + 4466.

2²³⁵³²⁰ is an apocalyptic number.

235320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 235320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369360).

235320 is an abundant number, since it is smaller than the sum of its proper divisors (503400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

235320 is a wasteful number, since it uses less digits than its factorization.

235320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 235320 is about 485.0979282578. The cubic root of 235320 is about 61.7380554626.

Adding to 235320 its reverse (23532), we get a palindrome (258852).

It can be divided in two parts, 235 and 320, that added together give a palindrome (555).

The spelling of 235320 in words is "two hundred thirty-five thousand, three hundred twenty".