103443709 has 2 divisors, whose sum is σ = 103443710. Its totient is φ = 103443708.

The previous prime is 103443677. The next prime is 103443713. The reversal of 103443709 is 907344301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80192025 + 23251684 = 8955^2 + 4822^2 .

It is a cyclic number.

It is not a de Polignac number, because 103443709 - 2⁵ = 103443677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103443799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51721854 + 51721855.

It is an arithmetic number, because the mean of its divisors is an integer number (51721855).

Almost surely, 2^103443709 is an apocalyptic number.

It is an amenable number.

103443709 is a deficient number, since it is larger than the sum of its proper divisors (1).

103443709 is an equidigital number, since it uses as much as digits as its factorization.

103443709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 103443709 is about 10170.7280467034. The cubic root of 103443709 is about 469.4269596788.

The spelling of 103443709 in words is "one hundred three million, four hundred forty-three thousand, seven hundred nine".