9973143 has 6 divisors (see below), whose sum is σ = 14405664. Its totient is φ = 6648756.

The previous prime is 9973133. The next prime is 9973147. The reversal of 9973143 is 3413799.

9973143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9973143 - 2⁶ = 9973079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9973098 and 9973107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9973147) 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, 554055 + ... + 554072.

It is an arithmetic number, because the mean of its divisors is an integer number (2400944).

Almost surely, 2^9973143 is an apocalyptic number.

9973143 is a deficient number, since it is larger than the sum of its proper divisors (4432521).

9973143 is a wasteful number, since it uses less digits than its factorization.

9973143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108133 (or 1108130 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 9973143 is about 3158.0283405948. The cubic root of 9973143 is about 215.2504239046.

The spelling of 9973143 in words is "nine million, nine hundred seventy-three thousand, one hundred forty-three".