240313143143 has 2 divisors, whose sum is σ = 240313143144. Its totient is φ = 240313143142.

The previous prime is 240313143137. The next prime is 240313143157. The reversal of 240313143143 is 341341313042.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240313143143 - 2¹⁸ = 240312880999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240313143113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120156571571 + 120156571572.

It is an arithmetic number, because the mean of its divisors is an integer number (120156571572).

Almost surely, 2^240313143143 is an apocalyptic number.

240313143143 is a deficient number, since it is larger than the sum of its proper divisors (1).

240313143143 is an equidigital number, since it uses as much as digits as its factorization.

240313143143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 240313143143 its reverse (341341313042), we get a palindrome (581654456185).

The spelling of 240313143143 in words is "two hundred forty billion, three hundred thirteen million, one hundred forty-three thousand, one hundred forty-three".