240340323 has 8 divisors (see below), whose sum is σ = 325236928. Its totient is φ = 157835304.

The previous prime is 240340283. The next prime is 240340327. The reversal of 240340323 is 323043042.

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

It is not a de Polignac number, because 240340323 - 2¹² = 240336227 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 240340323.

It is not an unprimeable number, because it can be changed into a prime (240340327) 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, 597661 + ... + 598062.

It is an arithmetic number, because the mean of its divisors is an integer number (40654616).

Almost surely, 2^240340323 is an apocalyptic number.

240340323 is a deficient number, since it is larger than the sum of its proper divisors (84896605).

240340323 is a wasteful number, since it uses less digits than its factorization.

240340323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195793.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 240340323 is about 15502.9133713635. The cubic root of 240340323 is about 621.7401020935.

Adding to 240340323 its reverse (323043042), we get a palindrome (563383365).

The spelling of 240340323 in words is "two hundred forty million, three hundred forty thousand, three hundred twenty-three".