345323 has 4 divisors (see below), whose sum is σ = 376728. Its totient is φ = 313920.

The previous prime is 345311. The next prime is 345329. The reversal of 345323 is 323543.

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 345323 - 2⁴ = 345307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345295 and 345304.

It is not an unprimeable number, because it can be changed into a prime (345329) 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, 15686 + ... + 15707.

It is an arithmetic number, because the mean of its divisors is an integer number (94182).

2³⁴⁵³²³ is an apocalyptic number.

345323 is a deficient number, since it is larger than the sum of its proper divisors (31405).

345323 is a wasteful number, since it uses less digits than its factorization.

345323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31404.

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

The square root of 345323 is about 587.6418977575. The cubic root of 345323 is about 70.1576717957.

Adding to 345323 its reverse (323543), we get a palindrome (668866).

The spelling of 345323 in words is "three hundred forty-five thousand, three hundred twenty-three".