23689211568 has 240 divisors, whose sum is σ = 70244441568. Its totient is φ = 6867660800.

The previous prime is 23689211551. The next prime is 23689211593. The reversal of 23689211568 is 86511298632.

It is a Cunningham number, because it is equal to 153913²-1.

It is a super-2 number, since 2×23689211568² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 23689211568.

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 47 ways as a sum of consecutive naturals, for example, 12619846 + ... + 12621722.

Almost surely, 2^23689211568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23689211568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35122220784).

23689211568 is an abundant number, since it is smaller than the sum of its proper divisors (46555230000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23689211568 is a wasteful number, since it uses less digits than its factorization.

23689211568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004 (or 1987 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 51.

The spelling of 23689211568 in words is "twenty-three billion, six hundred eighty-nine million, two hundred eleven thousand, five hundred sixty-eight".