103404663 has 6 divisors (see below), whose sum is σ = 149362304. Its totient is φ = 68936436.

The previous prime is 103404647. The next prime is 103404673. The reversal of 103404663 is 366404301.

It is not a de Polignac number, because 103404663 - 2⁴ = 103404647 is a prime.

It is a super-3 number, since 3×103404663³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103404673) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5744695 + ... + 5744712.

Almost surely, 2^103404663 is an apocalyptic number.

103404663 is a deficient number, since it is larger than the sum of its proper divisors (45957641).

103404663 is a wasteful number, since it uses less digits than its factorization.

103404663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11489413 (or 11489410 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 103404663 is about 10168.8083372635. The cubic root of 103404663 is about 469.3678887376.

Adding to 103404663 its reverse (366404301), we get a palindrome (469808964).

The spelling of 103404663 in words is "one hundred three million, four hundred four thousand, six hundred sixty-three".