345023 has 8 divisors (see below), whose sum is σ = 411648. Its totient is φ = 282744.

The previous prime is 345019. The next prime is 345041. The reversal of 345023 is 320543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 345023 - 2² = 345019 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a zygodrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 344992 and 345010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 911 + ... + 1232.

It is an arithmetic number, because the mean of its divisors is an integer number (51456).

2³⁴⁵⁰²³ is an apocalyptic number.

345023 is a deficient number, since it is larger than the sum of its proper divisors (66625).

345023 is a wasteful number, since it uses less digits than its factorization.

345023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 345023 is about 587.3865847974. The cubic root of 345023 is about 70.1373493735.

Adding to 345023 its reverse (320543), we get a palindrome (665566).

The spelling of 345023 in words is "three hundred forty-five thousand, twenty-three".