103543663 has 2 divisors, whose sum is σ = 103543664. Its totient is φ = 103543662.

The previous prime is 103543639. The next prime is 103543697. The reversal of 103543663 is 366345301.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103543663 is a prime.

It is a super-3 number, since 3×103543663³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103543633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51771831 + 51771832.

It is an arithmetic number, because the mean of its divisors is an integer number (51771832).

Almost surely, 2^103543663 is an apocalyptic number.

103543663 is a deficient number, since it is larger than the sum of its proper divisors (1).

103543663 is an equidigital number, since it uses as much as digits as its factorization.

103543663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 103543663 is about 10175.6406677909. The cubic root of 103543663 is about 469.5781078996.

Adding to 103543663 its reverse (366345301), we get a palindrome (469888964).

The spelling of 103543663 in words is "one hundred three million, five hundred forty-three thousand, six hundred sixty-three".