345343223 has 8 divisors (see below), whose sum is σ = 358340880. Its totient is φ = 332418240.

The previous prime is 345343213. The next prime is 345343261. The reversal of 345343223 is 322343543.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345343223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345343213) 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, 8390 + ... + 27587.

It is an arithmetic number, because the mean of its divisors is an integer number (44792610).

Almost surely, 2^345343223 is an apocalyptic number.

345343223 is a deficient number, since it is larger than the sum of its proper divisors (12997657).

345343223 is a wasteful number, since it uses less digits than its factorization.

345343223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36337.

The product of its digits is 25920, while the sum is 29.

The square root of 345343223 is about 18583.4125768116. The cubic root of 345343223 is about 701.5904130669.

Adding to 345343223 its reverse (322343543), we get a palindrome (667686766).

The spelling of 345343223 in words is "three hundred forty-five million, three hundred forty-three thousand, two hundred twenty-three".