23527542906 has 128 divisors (see below), whose sum is σ = 61599106560. Its totient is φ = 6515790336.

The previous prime is 23527542827. The next prime is 23527542911. The reversal of 23527542906 is 60924572532.

23527542906 is a `hidden beast` number, since 2 + 352 + 7 + 5 + 4 + 290 + 6 = 666.

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 63 ways as a sum of consecutive naturals, for example, 3871086 + ... + 3877158.

It is an arithmetic number, because the mean of its divisors is an integer number (481243020).

Almost surely, 2^23527542906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23527542906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30799553280).

23527542906 is an abundant number, since it is smaller than the sum of its proper divisors (38071563654).

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

23527542906 is a wasteful number, since it uses less digits than its factorization.

23527542906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6405 (or 6399 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 23527542906 in words is "twenty-three billion, five hundred twenty-seven million, five hundred forty-two thousand, nine hundred six".