343424111 has 4 divisors (see below), whose sum is σ = 348549912. Its totient is φ = 338298312.

The previous prime is 343424099. The next prime is 343424117. The reversal of 343424111 is 111424343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111424343 = 107 ⋅1041349.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343424111 is a prime.

It is a super-2 number, since 2×343424111² = 235880240032280642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343424117) 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, 2562800 + ... + 2562933.

It is an arithmetic number, because the mean of its divisors is an integer number (87137478).

Almost surely, 2^343424111 is an apocalyptic number.

343424111 is a deficient number, since it is larger than the sum of its proper divisors (5125801).

343424111 is an equidigital number, since it uses as much as digits as its factorization.

343424111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5125800.

The product of its digits is 1152, while the sum is 23.

The square root of 343424111 is about 18531.7055610108. The cubic root of 343424111 is about 700.2883920538.

Adding to 343424111 its reverse (111424343), we get a palindrome (454848454).

The spelling of 343424111 in words is "three hundred forty-three million, four hundred twenty-four thousand, one hundred eleven".