345342223 has 8 divisors (see below), whose sum is σ = 353537136. Its totient is φ = 337209600.

The previous prime is 345342209. The next prime is 345342227. The reversal of 345342223 is 322243543.

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

It is a cyclic number.

It is not a de Polignac number, because 345342223 - 2¹⁷ = 345211151 is a prime.

It is a super-2 number, since 2×345342223² = 238522501973163458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 345342191 and 345342200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345342227) 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, 4258 + ... + 26623.

It is an arithmetic number, because the mean of its divisors is an integer number (44192142).

Almost surely, 2^345342223 is an apocalyptic number.

345342223 is a deficient number, since it is larger than the sum of its proper divisors (8194913).

345342223 is a wasteful number, since it uses less digits than its factorization.

345342223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31145.

The product of its digits is 17280, while the sum is 28.

The square root of 345342223 is about 18583.3856710773. The cubic root of 345342223 is about 701.5897358748.

Adding to 345342223 its reverse (322243543), we get a palindrome (667585766).

The spelling of 345342223 in words is "three hundred forty-five million, three hundred forty-two thousand, two hundred twenty-three".