103443393 has 4 divisors (see below), whose sum is σ = 137924528. Its totient is φ = 68962260.

The previous prime is 103443371. The next prime is 103443401. The reversal of 103443393 is 393344301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 103443393 - 2⁹ = 103442881 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103443393.

It is not an unprimeable number, because it can be changed into a prime (103443313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17240563 + ... + 17240568.

It is an arithmetic number, because the mean of its divisors is an integer number (34481132).

Almost surely, 2^103443393 is an apocalyptic number.

It is an amenable number.

103443393 is a deficient number, since it is larger than the sum of its proper divisors (34481135).

103443393 is an equidigital number, since it uses as much as digits as its factorization.

103443393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34481134.

The product of its (nonzero) digits is 11664, while the sum is 30.

The square root of 103443393 is about 10170.7125119138. The cubic root of 103443393 is about 469.4264816762.

Adding to 103443393 its reverse (393344301), we get a palindrome (496787694).

The spelling of 103443393 in words is "one hundred three million, four hundred forty-three thousand, three hundred ninety-three".