240320043 has 6 divisors (see below), whose sum is σ = 347128964. Its totient is φ = 160213356.

The previous prime is 240320033. The next prime is 240320051. The reversal of 240320043 is 340023042.

It is not a de Polignac number, because 240320043 - 2⁸ = 240319787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240319998 and 240320025.

It is not an unprimeable number, because it can be changed into a prime (240320023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13351105 + ... + 13351122.

Almost surely, 2^240320043 is an apocalyptic number.

240320043 is a deficient number, since it is larger than the sum of its proper divisors (106808921).

240320043 is a wasteful number, since it uses less digits than its factorization.

240320043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26702233 (or 26702230 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 240320043 is about 15502.2592869556. The cubic root of 240320043 is about 621.7226140529.

Adding to 240320043 its reverse (340023042), we get a palindrome (580343085).

The spelling of 240320043 in words is "two hundred forty million, three hundred twenty thousand, forty-three".