23515016148 has 384 divisors, whose sum is σ = 73075322880. Its totient is φ = 6469632000.

The previous prime is 23515016141. The next prime is 23515016167. The reversal of 23515016148 is 84161051532.

23515016148 is a `hidden beast` number, since 2 + 3 + 5 + 1 + 501 + 6 + 148 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23515016141) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 45134128 + ... + 45134648.

It is an arithmetic number, because the mean of its divisors is an integer number (190300320).

Almost surely, 2^23515016148 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 23515016148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36537661440).

23515016148 is an abundant number, since it is smaller than the sum of its proper divisors (49560306732).

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

23515016148 is a wasteful number, since it uses less digits than its factorization.

23515016148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The spelling of 23515016148 in words is "twenty-three billion, five hundred fifteen million, sixteen thousand, one hundred forty-eight".