9971423603 has 8 divisors (see below), whose sum is σ = 10192393728. Its totient is φ = 9750820744.

The previous prime is 9971423599. The next prime is 9971423629. The reversal of 9971423603 is 3063241799.

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

It is a cyclic number.

It is not a de Polignac number, because 9971423603 - 2² = 9971423599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9971423633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36551 + ... + 145872.

It is an arithmetic number, because the mean of its divisors is an integer number (1274049216).

Almost surely, 2^9971423603 is an apocalyptic number.

9971423603 is a deficient number, since it is larger than the sum of its proper divisors (220970125).

9971423603 is a wasteful number, since it uses less digits than its factorization.

9971423603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183633.

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 9971423603 is about 99857.0157925821. The cubic root of 9971423603 is about 2152.3805327400.

The spelling of 9971423603 in words is "nine billion, nine hundred seventy-one million, four hundred twenty-three thousand, six hundred three".