23897515104 has 192 divisors, whose sum is σ = 72420526080. Its totient is φ = 7658426880.

The previous prime is 23897515099. The next prime is 23897515139. The reversal of 23897515104 is 40151579832.

23897515104 is a `hidden beast` number, since 2 + 3 + 89 + 7 + 51 + 510 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 23897515104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4202247 + ... + 4207929.

It is an arithmetic number, because the mean of its divisors is an integer number (377190240).

Almost surely, 2^23897515104 is an apocalyptic number.

23897515104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23897515104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36210263040).

23897515104 is an abundant number, since it is smaller than the sum of its proper divisors (48523010976).

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

23897515104 is a wasteful number, since it uses less digits than its factorization.

23897515104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5890 (or 5876 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 23897515104 in words is "twenty-three billion, eight hundred ninety-seven million, five hundred fifteen thousand, one hundred four".