343112423 has 4 divisors (see below), whose sum is σ = 344536368. Its totient is φ = 341688480.

The previous prime is 343112389. The next prime is 343112443. The reversal of 343112423 is 324211343.

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 343112423 - 2²⁰ = 342063847 is a prime.

It is a super-2 number, since 2×343112423² = 235452269633861858, 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 (343112443) 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, 711611 + ... + 712092.

It is an arithmetic number, because the mean of its divisors is an integer number (86134092).

Almost surely, 2^343112423 is an apocalyptic number.

343112423 is a deficient number, since it is larger than the sum of its proper divisors (1423945).

343112423 is a wasteful number, since it uses less digits than its factorization.

343112423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423944.

The product of its digits is 1728, while the sum is 23.

The square root of 343112423 is about 18523.2940645016. The cubic root of 343112423 is about 700.0764698772.

Adding to 343112423 its reverse (324211343), we get a palindrome (667323766).

The spelling of 343112423 in words is "three hundred forty-three million, one hundred twelve thousand, four hundred twenty-three".