23809552 has 40 divisors (see below), whose sum is σ = 50168664. Its totient is φ = 10881024.

The previous prime is 23809549. The next prime is 23809559. The reversal of 23809552 is 25590832.

It can be written as a sum of positive squares in 4 ways, for example, as 5456896 + 18352656 = 2336^2 + 4284^2 .

It is not an unprimeable number, because it can be changed into a prime (23809559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22998 + ... + 24010.

Almost surely, 2^23809552 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 23809552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25084332).

23809552 is an abundant number, since it is smaller than the sum of its proper divisors (26359112).

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

23809552 is a wasteful number, since it uses less digits than its factorization.

23809552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147 (or 1141 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 23809552 is about 4879.5032534060. The cubic root of 23809552 is about 287.6849048719.

The spelling of 23809552 in words is "twenty-three million, eight hundred nine thousand, five hundred fifty-two".