103440347 has 2 divisors, whose sum is σ = 103440348. Its totient is φ = 103440346.

The previous prime is 103440331. The next prime is 103440367. The reversal of 103440347 is 743044301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103440347 - 2⁴ = 103440331 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (103440307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51720173 + 51720174.

It is an arithmetic number, because the mean of its divisors is an integer number (51720174).

Almost surely, 2^103440347 is an apocalyptic number.

103440347 is a deficient number, since it is larger than the sum of its proper divisors (1).

103440347 is an equidigital number, since it uses as much as digits as its factorization.

103440347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 103440347 is about 10170.5627671236. The cubic root of 103440347 is about 469.4218740448.

Adding to 103440347 its reverse (743044301), we get a palindrome (846484648).

The spelling of 103440347 in words is "one hundred three million, four hundred forty thousand, three hundred forty-seven".