354123341543 has 2 divisors, whose sum is σ = 354123341544. Its totient is φ = 354123341542.

The previous prime is 354123341531. The next prime is 354123341563. The reversal of 354123341543 is 345143321453.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 354123341543 - 2¹⁸ = 354123079399 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 354123341497 and 354123341506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354123341563) 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, 177061670771 + 177061670772.

It is an arithmetic number, because the mean of its divisors is an integer number (177061670772).

Almost surely, 2^354123341543 is an apocalyptic number.

354123341543 is a deficient number, since it is larger than the sum of its proper divisors (1).

354123341543 is an equidigital number, since it uses as much as digits as its factorization.

354123341543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 38.

Adding to 354123341543 its reverse (345143321453), we get a palindrome (699266662996).

The spelling of 354123341543 in words is "three hundred fifty-four billion, one hundred twenty-three million, three hundred forty-one thousand, five hundred forty-three".