343344523 has 4 divisors (see below), whose sum is σ = 347481288. Its totient is φ = 339207760.

The previous prime is 343344517. The next prime is 343344553. The reversal of 343344523 is 325443343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 325443343 = 19 ⋅17128597.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343344523 is a prime.

It is a super-2 number, since 2×343344523² = 235770922948195058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343344503) 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, 2068258 + ... + 2068423.

It is an arithmetic number, because the mean of its divisors is an integer number (86870322).

Almost surely, 2^343344523 is an apocalyptic number.

343344523 is a deficient number, since it is larger than the sum of its proper divisors (4136765).

343344523 is an equidigital number, since it uses as much as digits as its factorization.

343344523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4136764.

The product of its digits is 51840, while the sum is 31.

The square root of 343344523 is about 18529.5580897117. The cubic root of 343344523 is about 700.2342909615.

Adding to 343344523 its reverse (325443343), we get a palindrome (668787866).

The spelling of 343344523 in words is "three hundred forty-three million, three hundred forty-four thousand, five hundred twenty-three".