343343423 has 4 divisors (see below), whose sum is σ = 343411968. Its totient is φ = 343274880.

The previous prime is 343343411. The next prime is 343343447. The reversal of 343343423 is 324343343.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 343343423 - 2⁶ = 343343359 is a prime.

It is a super-2 number, since 2×343343423² = 235769412234713858, 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 (343343023) 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, 26111 + ... + 36992.

It is an arithmetic number, because the mean of its divisors is an integer number (85852992).

Almost surely, 2^343343423 is an apocalyptic number.

343343423 is a deficient number, since it is larger than the sum of its proper divisors (68545).

343343423 is an equidigital number, since it uses as much as digits as its factorization.

343343423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68544.

The product of its digits is 31104, while the sum is 29.

The square root of 343343423 is about 18529.5284073826. The cubic root of 343343423 is about 700.2335431620.

Adding to 343343423 its reverse (324343343), we get a palindrome (667686766).

The spelling of 343343423 in words is "three hundred forty-three million, three hundred forty-three thousand, four hundred twenty-three".