220140323 has 16 divisors (see below), whose sum is σ = 242615520. Its totient is φ = 198491904.

The previous prime is 220140317. The next prime is 220140353. The reversal of 220140323 is 323041022.

220140323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220140323 - 2²⁴ = 203363107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220140353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194423 + ... + 195551.

It is an arithmetic number, because the mean of its divisors is an integer number (15163470).

Almost surely, 2^220140323 is an apocalyptic number.

220140323 is a deficient number, since it is larger than the sum of its proper divisors (22475197).

220140323 is a wasteful number, since it uses less digits than its factorization.

220140323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 220140323 is about 14837.1265075149. The cubic root of 220140323 is about 603.8093954000.

Adding to 220140323 its reverse (323041022), we get a palindrome (543181345).

It can be divided in two parts, 2201 and 40323, that added together give a palindrome (42524).

The spelling of 220140323 in words is "two hundred twenty million, one hundred forty thousand, three hundred twenty-three".