23723719646 has 16 divisors (see below), whose sum is σ = 38827071360. Its totient is φ = 10781720280.

The previous prime is 23723719619. The next prime is 23723719661. The reversal of 23723719646 is 64691732732.

23723719646 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 23723719594 and 23723719603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51125 + ... + 223743.

It is an arithmetic number, because the mean of its divisors is an integer number (2426691960).

Almost surely, 2^23723719646 is an apocalyptic number.

23723719646 is a deficient number, since it is larger than the sum of its proper divisors (15103351714).

23723719646 is a wasteful number, since it uses less digits than its factorization.

23723719646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178879.

The product of its digits is 2286144, while the sum is 50.

The spelling of 23723719646 in words is "twenty-three billion, seven hundred twenty-three million, seven hundred nineteen thousand, six hundred forty-six".