240404203343 has 2 divisors, whose sum is σ = 240404203344. Its totient is φ = 240404203342.

The previous prime is 240404203339. The next prime is 240404203349. The reversal of 240404203343 is 343302404042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240404203343 - 2² = 240404203339 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240404203349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120202101671 + 120202101672.

It is an arithmetic number, because the mean of its divisors is an integer number (120202101672).

Almost surely, 2^240404203343 is an apocalyptic number.

240404203343 is a deficient number, since it is larger than the sum of its proper divisors (1).

240404203343 is an equidigital number, since it uses as much as digits as its factorization.

240404203343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 240404203343 its reverse (343302404042), we get a palindrome (583706607385).

The spelling of 240404203343 in words is "two hundred forty billion, four hundred four million, two hundred three thousand, three hundred forty-three".