343243345 has 16 divisors (see below), whose sum is σ = 442637568. Its totient is φ = 254580480.

The previous prime is 343243343. The next prime is 343243357. The reversal of 343243345 is 543342343.

It is not a de Polignac number, because 343243345 - 2¹ = 343243343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (343243343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24441 + ... + 35830.

It is an arithmetic number, because the mean of its divisors is an integer number (27664848).

Almost surely, 2^343243345 is an apocalyptic number.

It is an amenable number.

343243345 is a deficient number, since it is larger than the sum of its proper divisors (99394223).

343243345 is a wasteful number, since it uses less digits than its factorization.

343243345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60360.

The product of its digits is 51840, while the sum is 31.

The square root of 343243345 is about 18526.8277101073. The cubic root of 343243345 is about 700.1655016835.

Adding to 343243345 its reverse (543342343), we get a palindrome (886585688).

The spelling of 343243345 in words is "three hundred forty-three million, two hundred forty-three thousand, three hundred forty-five".