9723871023871 has 8 divisors (see below), whose sum is σ = 9759086028000. Its totient is φ = 9688656817248.

The previous prime is 9723871023833. The next prime is 9723871023929. The reversal of 9723871023871 is 1783201783279.

9723871023871 is digitally balanced in base 2, 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 a cyclic number.

It is not a de Polignac number, because 9723871023871 - 2⁷ = 9723871023743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9723871023821) 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, 36285630 + ... + 36552628.

It is an arithmetic number, because the mean of its divisors is an integer number (1219885753500).

Almost surely, 2^{9723871023871} is an apocalyptic number.

9723871023871 is a deficient number, since it is larger than the sum of its proper divisors (35215004129).

9723871023871 is a wasteful number, since it uses less digits than its factorization.

9723871023871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398753.

The product of its (nonzero) digits is 7112448, while the sum is 58.

The spelling of 9723871023871 in words is "nine trillion, seven hundred twenty-three billion, eight hundred seventy-one million, twenty-three thousand, eight hundred seventy-one".