235401320 has 128 divisors (see below), whose sum is σ = 689264640. Its totient is φ = 70160640.

The previous prime is 235401301. The next prime is 235401337. The reversal of 235401320 is 23104532.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 235401292 and 235401301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69179 + ... + 72501.

It is an arithmetic number, because the mean of its divisors is an integer number (5384880).

Almost surely, 2^235401320 is an apocalyptic number.

235401320 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 235401320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344632320).

235401320 is an abundant number, since it is smaller than the sum of its proper divisors (453863320).

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

235401320 is a wasteful number, since it uses less digits than its factorization.

235401320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3375 (or 3371 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 235401320 is about 15342.7937482064. The cubic root of 235401320 is about 617.4516629103.

Adding to 235401320 its reverse (23104532), we get a palindrome (258505852).

The spelling of 235401320 in words is "two hundred thirty-five million, four hundred one thousand, three hundred twenty".