4000823920823 has 8 divisors (see below), whose sum is σ = 4086439864320. Its totient is φ = 3915228478680.

The previous prime is 4000823920813. The next prime is 4000823920831. The reversal of 4000823920823 is 3280293280004.

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 4000823920823 - 2²⁶ = 4000756811959 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 (4000823920813) 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, 4730543 + ... + 5511776.

It is an arithmetic number, because the mean of its divisors is an integer number (510804983040).

Almost surely, 2^{4000823920823} is an apocalyptic number.

4000823920823 is a deficient number, since it is larger than the sum of its proper divisors (85615943497).

4000823920823 is a wasteful number, since it uses less digits than its factorization.

4000823920823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10250677.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 4000823920823 in words is "four trillion, eight hundred twenty-three million, nine hundred twenty thousand, eight hundred twenty-three".