343443103 has 4 divisors (see below), whose sum is σ = 344462560. Its totient is φ = 342423648.

The previous prime is 343443083. The next prime is 343443109. The reversal of 343443103 is 301344343.

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 343443103 - 2²⁵ = 309888671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343443109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509223 + ... + 509896.

It is an arithmetic number, because the mean of its divisors is an integer number (86115640).

Almost surely, 2^343443103 is an apocalyptic number.

343443103 is a deficient number, since it is larger than the sum of its proper divisors (1019457).

343443103 is a wasteful number, since it uses less digits than its factorization.

343443103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019456.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 343443103 is about 18532.2179730328. The cubic root of 343443103 is about 700.3013009047.

Adding to 343443103 its reverse (301344343), we get a palindrome (644787446).

The spelling of 343443103 in words is "three hundred forty-three million, four hundred forty-three thousand, one hundred three".