343523 has 4 divisors (see below), whose sum is σ = 350880. Its totient is φ = 336168.

The previous prime is 343517. The next prime is 343529. The reversal of 343523 is 325343.

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

It is an interprime number because it is at equal distance from previous prime (343517) and next prime (343529).

It is a cyclic number.

It is not a de Polignac number, because 343523 - 2⁸ = 343267 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343495 and 343504.

It is not an unprimeable number, because it can be changed into a prime (343529) 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, 3608 + ... + 3701.

It is an arithmetic number, because the mean of its divisors is an integer number (87720).

2³⁴³⁵²³ is an apocalyptic number.

343523 is a deficient number, since it is larger than the sum of its proper divisors (7357).

343523 is an equidigital number, since it uses as much as digits as its factorization.

343523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7356.

The product of its digits is 1080, while the sum is 20.

The square root of 343523 is about 586.1083517576. The cubic root of 343523 is about 70.0355601636.

Adding to 343523 its reverse (325343), we get a palindrome (668866).

The spelling of 343523 in words is "three hundred forty-three thousand, five hundred twenty-three".