343345663 has 4 divisors (see below), whose sum is σ = 344442928. Its totient is φ = 342248400.

The previous prime is 343345627. The next prime is 343345693. The reversal of 343345663 is 366543343.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343345663 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 (343345693) 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, 548163 + ... + 548788.

It is an arithmetic number, because the mean of its divisors is an integer number (86110732).

Almost surely, 2^343345663 is an apocalyptic number.

343345663 is a deficient number, since it is larger than the sum of its proper divisors (1097265).

343345663 is a wasteful number, since it uses less digits than its factorization.

343345663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097264.

The product of its digits is 233280, while the sum is 37.

The square root of 343345663 is about 18529.5888513480. The cubic root of 343345663 is about 700.2350659520.

The spelling of 343345663 in words is "three hundred forty-three million, three hundred forty-five thousand, six hundred sixty-three".