923721799581241 has 16 divisors (see below), whose sum is σ = 957836968300800. Its totient is φ = 889757674041600.

The previous prime is 923721799581199. The next prime is 923721799581263. The reversal of 923721799581241 is 142185997127329.

It is a cyclic number.

It is not a de Polignac number, because 923721799581241 - 2²⁵ = 923721766026809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (923721799581271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262468321 + ... + 265964401.

It is an arithmetic number, because the mean of its divisors is an integer number (59864810518800).

Almost surely, 2^{923721799581241} is an apocalyptic number.

It is an amenable number.

923721799581241 is a deficient number, since it is larger than the sum of its proper divisors (34115168719559).

923721799581241 is a wasteful number, since it uses less digits than its factorization.

923721799581241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3517680.

The product of its digits is 137168640, while the sum is 70.

The spelling of 923721799581241 in words is "nine hundred twenty-three trillion, seven hundred twenty-one billion, seven hundred ninety-nine million, five hundred eighty-one thousand, two hundred forty-one".