424142140343 has 2 divisors, whose sum is σ = 424142140344. Its totient is φ = 424142140342.

The previous prime is 424142140333. The next prime is 424142140349. The reversal of 424142140343 is 343041241424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424142140343 - 2⁸ = 424142140087 is a prime.

It is a super-2 number, since 2×424142140343² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424142140349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212071070171 + 212071070172.

It is an arithmetic number, because the mean of its divisors is an integer number (212071070172).

Almost surely, 2^424142140343 is an apocalyptic number.

424142140343 is a deficient number, since it is larger than the sum of its proper divisors (1).

424142140343 is an equidigital number, since it uses as much as digits as its factorization.

424142140343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 424142140343 its reverse (343041241424), we get a palindrome (767183381767).

The spelling of 424142140343 in words is "four hundred twenty-four billion, one hundred forty-two million, one hundred forty thousand, three hundred forty-three".