343623 has 8 divisors (see below), whose sum is σ = 523648. Its totient is φ = 196344.

The previous prime is 343601. The next prime is 343627. The reversal of 343623 is 326343.

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

It is not a de Polignac number, because 343623 - 2⁵ = 343591 is a prime.

It is a super-2 number, since 2×343623² = 236153532258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 16363 = 343623 / (3 + 4 + 3 + 6 + 2 + 3).

It is a d-powerful number, because it can be written as 3⁷ + 4⁴ + 6⁷ + 3⁷ + 2³ + 3¹⁰ .

It is a Duffinian number.

343623 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 343623.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 343623.

It is not an unprimeable number, because it can be changed into a prime (343627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8161 + ... + 8202.

It is an arithmetic number, because the mean of its divisors is an integer number (65456).

2³⁴³⁶²³ is an apocalyptic number.

343623 is a deficient number, since it is larger than the sum of its proper divisors (180025).

343623 is a wasteful number, since it uses less digits than its factorization.

343623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16373.

The product of its digits is 1296, while the sum is 21.

The square root of 343623 is about 586.1936540086. The cubic root of 343623 is about 70.0423553190.

Adding to 343623 its reverse (326343), we get a palindrome (669966).

The spelling of 343623 in words is "three hundred forty-three thousand, six hundred twenty-three".