105345203 has 2 divisors, whose sum is σ = 105345204. Its totient is φ = 105345202.

The previous prime is 105345199. The next prime is 105345211. The reversal of 105345203 is 302543501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105345203 - 2² = 105345199 is a prime.

It is a super-2 number, since 2×105345203² = 22195223590222418, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (105345293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52672601 + 52672602.

It is an arithmetic number, because the mean of its divisors is an integer number (52672602).

Almost surely, 2^105345203 is an apocalyptic number.

105345203 is a deficient number, since it is larger than the sum of its proper divisors (1).

105345203 is an equidigital number, since it uses as much as digits as its factorization.

105345203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 105345203 is about 10263.7811258814. The cubic root of 105345203 is about 472.2858363348.

Adding to 105345203 its reverse (302543501), we get a palindrome (407888704).

The spelling of 105345203 in words is "one hundred five million, three hundred forty-five thousand, two hundred three".