113404163 has 2 divisors, whose sum is σ = 113404164. Its totient is φ = 113404162.

The previous prime is 113404147. The next prime is 113404177. The reversal of 113404163 is 361404311.

It is a strong prime.

It is an emirp because it is prime and its reverse (361404311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113404163 - 2⁴ = 113404147 is a prime.

It is not a weakly prime, because it can be changed into another prime (113404463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56702081 + 56702082.

It is an arithmetic number, because the mean of its divisors is an integer number (56702082).

Almost surely, 2^113404163 is an apocalyptic number.

113404163 is a deficient number, since it is larger than the sum of its proper divisors (1).

113404163 is an equidigital number, since it uses as much as digits as its factorization.

113404163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 113404163 is about 10649.1390731833. The cubic root of 113404163 is about 484.0345167538.

Adding to 113404163 its reverse (361404311), we get a palindrome (474808474).

The spelling of 113404163 in words is "one hundred thirteen million, four hundred four thousand, one hundred sixty-three".