240140323 has 8 divisors (see below), whose sum is σ = 246824288. Its totient is φ = 233466624.

The previous prime is 240140311. The next prime is 240140333. The reversal of 240140323 is 323041042.

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

It is a cyclic number.

It is not a de Polignac number, because 240140323 - 2⁹ = 240139811 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240140323.

It is not an unprimeable number, because it can be changed into a prime (240140333) 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, 91315 + ... + 93907.

It is an arithmetic number, because the mean of its divisors is an integer number (30853036).

Almost surely, 2^240140323 is an apocalyptic number.

240140323 is a deficient number, since it is larger than the sum of its proper divisors (6683965).

240140323 is a wasteful number, since it uses less digits than its factorization.

240140323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5133.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 240140323 is about 15496.4616283847. The cubic root of 240140323 is about 621.5675932013.

Adding to 240140323 its reverse (323041042), we get a palindrome (563181365).

It can be divided in two parts, 2401 and 40323, that added together give a palindrome (42724).

The spelling of 240140323 in words is "two hundred forty million, one hundred forty thousand, three hundred twenty-three".