343069663 has 4 divisors (see below), whose sum is σ = 343975240. Its totient is φ = 342164088.

The previous prime is 343069637. The next prime is 343069691. The reversal of 343069663 is 366960343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366960343 = 383 ⋅958121.

It is a cyclic number.

It is not a de Polignac number, because 343069663 - 2¹³ = 343061471 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 (343069613) 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, 452220 + ... + 452977.

It is an arithmetic number, because the mean of its divisors is an integer number (85993810).

Almost surely, 2^343069663 is an apocalyptic number.

343069663 is a deficient number, since it is larger than the sum of its proper divisors (905577).

343069663 is an equidigital number, since it uses as much as digits as its factorization.

343069663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905576.

The product of its (nonzero) digits is 209952, while the sum is 40.

The square root of 343069663 is about 18522.1398061887. The cubic root of 343069663 is about 700.0473865880.

The spelling of 343069663 in words is "three hundred forty-three million, sixty-nine thousand, six hundred sixty-three".