353343605543 has 4 divisors (see below), whose sum is σ = 353382662400. Its totient is φ = 353304548688.

The previous prime is 353343605539. The next prime is 353343605567. The reversal of 353343605543 is 345506343353.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345506343353 = 19 ⋅18184544387.

It is a cyclic number.

It is not a de Polignac number, because 353343605543 - 2² = 353343605539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 353343605494 and 353343605503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (353343605243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19514855 + ... + 19532952.

It is an arithmetic number, because the mean of its divisors is an integer number (88345665600).

Almost surely, 2^353343605543 is an apocalyptic number.

353343605543 is a deficient number, since it is larger than the sum of its proper divisors (39056857).

353343605543 is an equidigital number, since it uses as much as digits as its factorization.

353343605543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39056856.

The product of its (nonzero) digits is 2916000, while the sum is 44.

Adding to 353343605543 its reverse (345506343353), we get a palindrome (698849948896).

The spelling of 353343605543 in words is "three hundred fifty-three billion, three hundred forty-three million, six hundred five thousand, five hundred forty-three".