203411112343 has 2 divisors, whose sum is σ = 203411112344. Its totient is φ = 203411112342.

The previous prime is 203411112341. The next prime is 203411112349. The reversal of 203411112343 is 343211114302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203411112343 - 2¹ = 203411112341 is a prime.

It is a super-3 number, since 3×203411112343³ (a number of 35 digits) contains 333 as substring.

Together with 203411112341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203411112341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101705556171 + 101705556172.

It is an arithmetic number, because the mean of its divisors is an integer number (101705556172).

Almost surely, 2^203411112343 is an apocalyptic number.

203411112343 is a deficient number, since it is larger than the sum of its proper divisors (1).

203411112343 is an equidigital number, since it uses as much as digits as its factorization.

203411112343 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 25.

Adding to 203411112343 its reverse (343211114302), we get a palindrome (546622226645).

The spelling of 203411112343 in words is "two hundred three billion, four hundred eleven million, one hundred twelve thousand, three hundred forty-three".