105343440203 has 2 divisors, whose sum is σ = 105343440204. Its totient is φ = 105343440202.

The previous prime is 105343440197. The next prime is 105343440233. The reversal of 105343440203 is 302044343501.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105343440203 is a prime.

It is a super-2 number, since 2×105343440203² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105343440233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52671720101 + 52671720102.

It is an arithmetic number, because the mean of its divisors is an integer number (52671720102).

Almost surely, 2^105343440203 is an apocalyptic number.

105343440203 is a deficient number, since it is larger than the sum of its proper divisors (1).

105343440203 is an equidigital number, since it uses as much as digits as its factorization.

105343440203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 105343440203 its reverse (302044343501), we get a palindrome (407387783704).

The spelling of 105343440203 in words is "one hundred five billion, three hundred forty-three million, four hundred forty thousand, two hundred three".