113903173 has 4 divisors (see below), whose sum is σ = 116552128. Its totient is φ = 111254220.

The previous prime is 113903129. The next prime is 113903183. The reversal of 113903173 is 371309311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 113903173 - 2⁹ = 113902661 is a prime.

It is a super-3 number, since 3×113903173³ (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 (113903113) 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 in 3 ways as a sum of consecutive naturals, for example, 1324413 + ... + 1324498.

It is an arithmetic number, because the mean of its divisors is an integer number (29138032).

Almost surely, 2^113903173 is an apocalyptic number.

It is an amenable number.

113903173 is a deficient number, since it is larger than the sum of its proper divisors (2648955).

113903173 is an equidigital number, since it uses as much as digits as its factorization.

113903173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648954.

The product of its (nonzero) digits is 1701, while the sum is 28.

The square root of 113903173 is about 10672.5429490820. The cubic root of 113903173 is about 484.7434403155.

The spelling of 113903173 in words is "one hundred thirteen million, nine hundred three thousand, one hundred seventy-three".