103443563 has 4 divisors (see below), whose sum is σ = 104021640. Its totient is φ = 102865488.

The previous prime is 103443541. The next prime is 103443577. The reversal of 103443563 is 365344301.

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

It is a cyclic number.

It is not a de Polignac number, because 103443563 - 2¹⁴ = 103427179 is a prime.

It is a super-2 number, since 2×103443563² = 21401141452269938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103443463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288770 + ... + 289127.

It is an arithmetic number, because the mean of its divisors is an integer number (26005410).

Almost surely, 2^103443563 is an apocalyptic number.

103443563 is a deficient number, since it is larger than the sum of its proper divisors (578077).

103443563 is an equidigital number, since it uses as much as digits as its factorization.

103443563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578076.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 103443563 is about 10170.7208692403. The cubic root of 103443563 is about 469.4267388296.

Adding to 103443563 its reverse (365344301), we get a palindrome (468787864).

The spelling of 103443563 in words is "one hundred three million, four hundred forty-three thousand, five hundred sixty-three".