343444523 has 4 divisors (see below), whose sum is σ = 363647160. Its totient is φ = 323241888.

The previous prime is 343444511. The next prime is 343444531. The reversal of 343444523 is 325444343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 325444343 = 7 ⋅46492049.

It is a cyclic number.

It is not a de Polignac number, because 343444523 - 2²⁶ = 276335659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 343444523.

It is not an unprimeable number, because it can be changed into a prime (343444573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10101293 + ... + 10101326.

It is an arithmetic number, because the mean of its divisors is an integer number (90911790).

Almost surely, 2^343444523 is an apocalyptic number.

343444523 is a deficient number, since it is larger than the sum of its proper divisors (20202637).

343444523 is a wasteful number, since it uses less digits than its factorization.

343444523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20202636.

The product of its digits is 69120, while the sum is 32.

The square root of 343444523 is about 18532.2562846514. The cubic root of 343444523 is about 700.3022660588.

Adding to 343444523 its reverse (325444343), we get a palindrome (668888866).

The spelling of 343444523 in words is "three hundred forty-three million, four hundred forty-four thousand, five hundred twenty-three".