23685197989719 has 16 divisors (see below), whose sum is σ = 36630412813568. Its totient is φ = 13332392897472.

The previous prime is 23685197989697. The next prime is 23685197989751. The reversal of 23685197989719 is 91798979158632.

It is not a de Polignac number, because 23685197989719 - 2⁷ = 23685197989591 is a prime.

It is a super-2 number, since 2×23685197989719² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23685197989619) 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, 8416913302 + ... + 8416916115.

It is an arithmetic number, because the mean of its divisors is an integer number (2289400800848).

Almost surely, 2^{23685197989719} is an apocalyptic number.

23685197989719 is a deficient number, since it is larger than the sum of its proper divisors (12945214823849).

23685197989719 is a wasteful number, since it uses less digits than its factorization.

23685197989719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16833829494.

The product of its digits is 3703553280, while the sum is 84.

The spelling of 23685197989719 in words is "twenty-three trillion, six hundred eighty-five billion, one hundred ninety-seven million, nine hundred eighty-nine thousand, seven hundred nineteen".