345343543 has 4 divisors (see below), whose sum is σ = 348762888. Its totient is φ = 341924200.

The previous prime is 345343511. The next prime is 345343547.

345343543 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 345343543 - 2⁵ = 345343511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345343499 and 345343508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345343547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1709521 + ... + 1709722.

It is an arithmetic number, because the mean of its divisors is an integer number (87190722).

Almost surely, 2^345343543 is an apocalyptic number.

345343543 is a deficient number, since it is larger than the sum of its proper divisors (3419345).

345343543 is a wasteful number, since it uses less digits than its factorization.

345343543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3419344.

The product of its digits is 129600, while the sum is 34.

The square root of 345343543 is about 18583.4211866384. The cubic root of 345343543 is about 701.5906297681.

The spelling of 345343543 in words is "three hundred forty-five million, three hundred forty-three thousand, five hundred forty-three".