23109988440064 has 192 divisors, whose sum is σ = 49087720936800. Its totient is φ = 10846686412800.

The previous prime is 23109988440037. The next prime is 23109988440067. The reversal of 23109988440064 is 46004488990132.

It is a junction number, because it is equal to n+sod(n) for n = 23109988439990 and 23109988440008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23109988440067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1979097394 + ... + 1979109070.

Almost surely, 2^{23109988440064} 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 23109988440064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24543860468400).

23109988440064 is an abundant number, since it is smaller than the sum of its proper divisors (25977732496736).

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

23109988440064 is a wasteful number, since it uses less digits than its factorization.

23109988440064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12180 (or 12160 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 58.

The spelling of 23109988440064 in words is "twenty-three trillion, one hundred nine billion, nine hundred eighty-eight million, four hundred forty thousand, sixty-four".