345346643543 has 8 divisors (see below), whose sum is σ = 382048016256. Its totient is φ = 309529641400.

The previous prime is 345346643533. The next prime is 345346643561.

345346643543 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345346643543 - 2²⁴ = 345329866327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345346643491 and 345346643500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345346643503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221091821 + ... + 221093382.

It is an arithmetic number, because the mean of its divisors is an integer number (47756002032).

Almost surely, 2^345346643543 is an apocalyptic number.

345346643543 is a deficient number, since it is larger than the sum of its proper divisors (36701372713).

345346643543 is a wasteful number, since it uses less digits than its factorization.

345346643543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442185285.

The product of its digits is 18662400, while the sum is 50.

It can be divided in two parts, 345346 and 643543, that added together give a palindrome (988889).

The spelling of 345346643543 in words is "three hundred forty-five billion, three hundred forty-six million, six hundred forty-three thousand, five hundred forty-three".