200403102343 has 2 divisors, whose sum is σ = 200403102344. Its totient is φ = 200403102342.

The previous prime is 200403102337. The next prime is 200403102373. The reversal of 200403102343 is 343201304002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200403102343 - 2³³ = 191813167751 is a prime.

It is a super-2 number, since 2×200403102343² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200403102373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100201551171 + 100201551172.

It is an arithmetic number, because the mean of its divisors is an integer number (100201551172).

Almost surely, 2^200403102343 is an apocalyptic number.

200403102343 is a deficient number, since it is larger than the sum of its proper divisors (1).

200403102343 is an equidigital number, since it uses as much as digits as its factorization.

200403102343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 200403102343 its reverse (343201304002), we get a palindrome (543604406345).

The spelling of 200403102343 in words is "two hundred billion, four hundred three million, one hundred two thousand, three hundred forty-three".