140420204430343 has 2 divisors, whose sum is σ = 140420204430344. Its totient is φ = 140420204430342.

The previous prime is 140420204430223. The next prime is 140420204430379. The reversal of 140420204430343 is 343034402024041.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140420204430343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140420204430299 and 140420204430308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140420204430743) 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, 70210102215171 + 70210102215172.

It is an arithmetic number, because the mean of its divisors is an integer number (70210102215172).

Almost surely, 2^{140420204430343} is an apocalyptic number.

140420204430343 is a deficient number, since it is larger than the sum of its proper divisors (1).

140420204430343 is an equidigital number, since it uses as much as digits as its factorization.

140420204430343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 140420204430343 its reverse (343034402024041), we get a palindrome (483454606454384).

The spelling of 140420204430343 in words is "one hundred forty trillion, four hundred twenty billion, two hundred four million, four hundred thirty thousand, three hundred forty-three".