23998168685 has 8 divisors (see below), whose sum is σ = 28818663576. Its totient is φ = 19184627520.

The previous prime is 23998168679. The next prime is 23998168717. The reversal of 23998168685 is 58686189932.

It can be written as a sum of positive squares in 4 ways, for example, as 379704196 + 23618464489 = 19486^2 + 153683^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23998168685 - 2⁴ = 23998168669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1730834 + ... + 1744643.

It is an arithmetic number, because the mean of its divisors is an integer number (3602332947).

Almost surely, 2^23998168685 is an apocalyptic number.

It is an amenable number.

23998168685 is a deficient number, since it is larger than the sum of its proper divisors (4820494891).

23998168685 is a wasteful number, since it uses less digits than its factorization.

23998168685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3476863.

The product of its digits is 44789760, while the sum is 65.

The spelling of 23998168685 in words is "twenty-three billion, nine hundred ninety-eight million, one hundred sixty-eight thousand, six hundred eighty-five".