103443073 has 2 divisors, whose sum is σ = 103443074. Its totient is φ = 103443072.

The previous prime is 103443047. The next prime is 103443091. The reversal of 103443073 is 370344301.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88209664 + 15233409 = 9392^2 + 3903^2 .

It is an emirp because it is prime and its reverse (370344301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103443073 - 2⁹ = 103442561 is a prime.

It is not a weakly prime, because it can be changed into another prime (103443013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51721536 + 51721537.

It is an arithmetic number, because the mean of its divisors is an integer number (51721537).

Almost surely, 2^103443073 is an apocalyptic number.

It is an amenable number.

103443073 is a deficient number, since it is larger than the sum of its proper divisors (1).

103443073 is an equidigital number, since it uses as much as digits as its factorization.

103443073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 103443073 is about 10170.6967804571. The cubic root of 103443073 is about 469.4259976220.

Adding to 103443073 its reverse (370344301), we get a palindrome (473787374).

The spelling of 103443073 in words is "one hundred three million, four hundred forty-three thousand, seventy-three".