343640103 has 4 divisors (see below), whose sum is σ = 458186808. Its totient is φ = 229093400.

The previous prime is 343640093. The next prime is 343640113. The reversal of 343640103 is 301046343.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (343640093) and next prime (343640113).

It is a cyclic number.

It is not a de Polignac number, because 343640103 - 2⁶ = 343640039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343640113) 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, 57273348 + ... + 57273353.

It is an arithmetic number, because the mean of its divisors is an integer number (114546702).

Almost surely, 2^343640103 is an apocalyptic number.

343640103 is a deficient number, since it is larger than the sum of its proper divisors (114546705).

343640103 is a wasteful number, since it uses less digits than its factorization.

343640103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114546704.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 343640103 is about 18537.5322791358. The cubic root of 343640103 is about 700.4351736244.

Adding to 343640103 its reverse (301046343), we get a palindrome (644686446).

The spelling of 343640103 in words is "three hundred forty-three million, six hundred forty thousand, one hundred three".