9917103723 has 8 divisors (see below), whose sum is σ = 13224267408. Its totient is φ = 6610671264.

The previous prime is 9917103671. The next prime is 9917103733. The reversal of 9917103723 is 3273017199.

9917103723 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9917103723 - 2⁸ = 9917103467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9917103733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150336 + ... + 205997.

It is an arithmetic number, because the mean of its divisors is an integer number (1653033426).

Almost surely, 2^9917103723 is an apocalyptic number.

9917103723 is a deficient number, since it is larger than the sum of its proper divisors (3307163685).

9917103723 is a wasteful number, since it uses less digits than its factorization.

9917103723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365613.

The product of its (nonzero) digits is 71442, while the sum is 42.

The square root of 9917103723 is about 99584.6560620661. The cubic root of 9917103723 is about 2148.4650102158.

The spelling of 9917103723 in words is "nine billion, nine hundred seventeen million, one hundred three thousand, seven hundred twenty-three".