240331323 has 16 divisors (see below), whose sum is σ = 348940800. Its totient is φ = 146553120.

The previous prime is 240331283. The next prime is 240331349. The reversal of 240331323 is 323133042.

It is not a de Polignac number, because 240331323 - 2⁸ = 240331067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240331323.

It is not an unprimeable number, because it can be changed into a prime (240331373) 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, 71043 + ... + 74348.

It is an arithmetic number, because the mean of its divisors is an integer number (21808800).

Almost surely, 2^240331323 is an apocalyptic number.

240331323 is a deficient number, since it is larger than the sum of its proper divisors (108609477).

240331323 is a wasteful number, since it uses less digits than its factorization.

240331323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145442.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 240331323 is about 15502.6231006240. The cubic root of 240331323 is about 621.7323412502.

Adding to 240331323 its reverse (323133042), we get a palindrome (563464365).

The spelling of 240331323 in words is "two hundred forty million, three hundred thirty-one thousand, three hundred twenty-three".