23581540548 has 72 divisors (see below), whose sum is σ = 63204261120. Its totient is φ = 7387703040.

The previous prime is 23581540469. The next prime is 23581540561. The reversal of 23581540548 is 84504518532.

23581540548 is a `hidden beast` number, since 2 + 3 + 58 + 1 + 54 + 0 + 548 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 413233 + ... + 466823.

It is an arithmetic number, because the mean of its divisors is an integer number (877836960).

Almost surely, 2^23581540548 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 23581540548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31602130560).

23581540548 is an abundant number, since it is smaller than the sum of its proper divisors (39622720572).

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

23581540548 is a wasteful number, since it uses less digits than its factorization.

23581540548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54337 (or 54332 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 45.

The spelling of 23581540548 in words is "twenty-three billion, five hundred eighty-one million, five hundred forty thousand, five hundred forty-eight".