240304134453143 has 2 divisors, whose sum is σ = 240304134453144. Its totient is φ = 240304134453142.

The previous prime is 240304134453113. The next prime is 240304134453347. The reversal of 240304134453143 is 341354431403042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240304134453143 - 2⁶ = 240304134453079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240304134453143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240304134453113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120152067226571 + 120152067226572.

It is an arithmetic number, because the mean of its divisors is an integer number (120152067226572).

Almost surely, 2^{240304134453143} is an apocalyptic number.

240304134453143 is a deficient number, since it is larger than the sum of its proper divisors (1).

240304134453143 is an equidigital number, since it uses as much as digits as its factorization.

240304134453143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 41.

Adding to 240304134453143 its reverse (341354431403042), we get a palindrome (581658565856185).

The spelling of 240304134453143 in words is "two hundred forty trillion, three hundred four billion, one hundred thirty-four million, four hundred fifty-three thousand, one hundred forty-three".