343023911 has 4 divisors (see below), whose sum is σ = 343144032. Its totient is φ = 342903792.

The previous prime is 343023869. The next prime is 343023937. The reversal of 343023911 is 119320343.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 119320343 = 23 ⋅5187841.

It is a cyclic number.

It is not a de Polignac number, because 343023911 - 2¹⁰ = 343022887 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 (343023971) 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, 55670 + ... + 61523.

It is an arithmetic number, because the mean of its divisors is an integer number (85786008).

Almost surely, 2^343023911 is an apocalyptic number.

343023911 is a deficient number, since it is larger than the sum of its proper divisors (120121).

343023911 is a wasteful number, since it uses less digits than its factorization.

343023911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120120.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 343023911 is about 18520.9047025247. The cubic root of 343023911 is about 700.0162656084.

The spelling of 343023911 in words is "three hundred forty-three million, twenty-three thousand, nine hundred eleven".