20183795723 has 32 divisors (see below), whose sum is σ = 25222901760. Its totient is φ = 15725041920.

The previous prime is 20183795713. The next prime is 20183795743. The reversal of 20183795723 is 32759738102.

It is not a de Polignac number, because 20183795723 - 2²⁰ = 20182747147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20183795713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7293086 + ... + 7295852.

It is an arithmetic number, because the mean of its divisors is an integer number (788215680).

Almost surely, 2^20183795723 is an apocalyptic number.

20183795723 is a deficient number, since it is larger than the sum of its proper divisors (5039106037).

20183795723 is a wasteful number, since it uses less digits than its factorization.

20183795723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3987.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 20183795723 in words is "twenty billion, one hundred eighty-three million, seven hundred ninety-five thousand, seven hundred twenty-three".