343253543 has 4 divisors (see below), whose sum is σ = 343405920. Its totient is φ = 343101168.

The previous prime is 343253531. The next prime is 343253567. The reversal of 343253543 is 345352343.

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 343253543 - 2⁶ = 343253479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343253843) 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, 72758 + ... + 77331.

It is an arithmetic number, because the mean of its divisors is an integer number (85851480).

Almost surely, 2^343253543 is an apocalyptic number.

343253543 is a deficient number, since it is larger than the sum of its proper divisors (152377).

343253543 is a wasteful number, since it uses less digits than its factorization.

343253543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152376.

The product of its digits is 64800, while the sum is 32.

The square root of 343253543 is about 18527.1029305717. The cubic root of 343253543 is about 700.1724357505.

The spelling of 343253543 in words is "three hundred forty-three million, two hundred fifty-three thousand, five hundred forty-three".