23528409552 has 100 divisors (see below), whose sum is σ = 69214637316. Its totient is φ = 7714206720.

The previous prime is 23528409539. The next prime is 23528409559. The reversal of 23528409552 is 25590482532.

23528409552 is a `hidden beast` number, since 2 + 3 + 52 + 8 + 40 + 9 + 552 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12127295376 + 11401114176 = 110124^2 + 106776^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23528409498 and 23528409507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23528409559) 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 19 ways as a sum of consecutive naturals, for example, 69753 + ... + 227864.

Almost surely, 2^23528409552 is an apocalyptic number.

It is an amenable number.

23528409552 is an abundant number, since it is smaller than the sum of its proper divisors (45686227764).

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

23528409552 is a wasteful number, since it uses less digits than its factorization.

23528409552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297698 (or 297683 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 23528409552 in words is "twenty-three billion, five hundred twenty-eight million, four hundred nine thousand, five hundred fifty-two".