340543203 has 64 divisors (see below), whose sum is σ = 614498304. Its totient is φ = 162000000.

The previous prime is 340543199. The next prime is 340543211. The reversal of 340543203 is 302345043.

It is not a de Polignac number, because 340543203 - 2² = 340543199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340543223) 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 63 ways as a sum of consecutive naturals, for example, 453078 + ... + 453828.

It is an arithmetic number, because the mean of its divisors is an integer number (9601536).

Almost surely, 2^340543203 is an apocalyptic number.

340543203 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

340543203 is a deficient number, since it is larger than the sum of its proper divisors (273955101).

340543203 is a wasteful number, since it uses less digits than its factorization.

340543203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936.

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 340543203 is about 18453.8126954838. The cubic root of 340543203 is about 698.3247032665.

Adding to 340543203 its reverse (302345043), we get a palindrome (642888246).

The spelling of 340543203 in words is "three hundred forty million, five hundred forty-three thousand, two hundred three".