200403343 has 4 divisors (see below), whose sum is σ = 229032400. Its totient is φ = 171774288.

The previous prime is 200403341. The next prime is 200403377. The reversal of 200403343 is 343304002.

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

It is not a de Polignac number, because 200403343 - 2¹ = 200403341 is a prime.

It is a super-2 number, since 2×200403343² = 80322999771151298, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200403343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200403341) 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, 14314518 + ... + 14314531.

It is an arithmetic number, because the mean of its divisors is an integer number (57258100).

Almost surely, 2^200403343 is an apocalyptic number.

200403343 is a deficient number, since it is larger than the sum of its proper divisors (28629057).

200403343 is an equidigital number, since it uses as much as digits as its factorization.

200403343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28629056.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 200403343 is about 14156.3887697393. The cubic root of 200403343 is about 585.1964110252.

Adding to 200403343 its reverse (343304002), we get a palindrome (543707345).

The spelling of 200403343 in words is "two hundred million, four hundred three thousand, three hundred forty-three".