343016623 has 4 divisors (see below), whose sum is σ = 343134000. Its totient is φ = 342899248.

The previous prime is 343016621. The next prime is 343016629. The reversal of 343016623 is 326610343.

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 343016623 - 2¹ = 343016621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343016591 and 343016600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343016621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54190 + ... + 60187.

It is an arithmetic number, because the mean of its divisors is an integer number (85783500).

Almost surely, 2^343016623 is an apocalyptic number.

343016623 is a deficient number, since it is larger than the sum of its proper divisors (117377).

343016623 is a wasteful number, since it uses less digits than its factorization.

343016623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117376.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 343016623 is about 18520.7079508317. The cubic root of 343016623 is about 700.0113079806.

Adding to 343016623 its reverse (326610343), we get a palindrome (669626966).

The spelling of 343016623 in words is "three hundred forty-three million, sixteen thousand, six hundred twenty-three".