103556443 has 4 divisors (see below), whose sum is σ = 103620160. Its totient is φ = 103492728.

The previous prime is 103556437. The next prime is 103556449. The reversal of 103556443 is 344655301.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (103556437) and next prime (103556449).

It is a cyclic number.

It is not a de Polignac number, because 103556443 - 2²⁵ = 70002011 is a prime.

It is a super-3 number, since 3×103556443³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103556449) 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, 29355 + ... + 32692.

It is an arithmetic number, because the mean of its divisors is an integer number (25905040).

Almost surely, 2^103556443 is an apocalyptic number.

103556443 is a deficient number, since it is larger than the sum of its proper divisors (63717).

103556443 is an equidigital number, since it uses as much as digits as its factorization.

103556443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63716.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 103556443 is about 10176.2686187030. The cubic root of 103556443 is about 469.5974265173.

The spelling of 103556443 in words is "one hundred three million, five hundred fifty-six thousand, four hundred forty-three".