4079721308223 has 64 divisors (see below), whose sum is σ = 6320920596480. Its totient is φ = 2314579276800.

The previous prime is 4079721308209. The next prime is 4079721308227. The reversal of 4079721308223 is 3228031279704.

It is a Cunningham number, because it is equal to 2019832²-1.

It is not a de Polignac number, because 4079721308223 - 2¹⁰ = 4079721307199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4079721308227) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38323636 + ... + 38429942.

It is an arithmetic number, because the mean of its divisors is an integer number (98764384320).

Almost surely, 2^{4079721308223} is an apocalyptic number.

4079721308223 is a deficient number, since it is larger than the sum of its proper divisors (2241199288257).

4079721308223 is a wasteful number, since it uses less digits than its factorization.

4079721308223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107068.

The product of its (nonzero) digits is 1016064, while the sum is 48.

The spelling of 4079721308223 in words is "four trillion, seventy-nine billion, seven hundred twenty-one million, three hundred eight thousand, two hundred twenty-three".