23509248 has 72 divisors (see below), whose sum is σ = 71523648. Its totient is φ = 6715392.

The previous prime is 23509237. The next prime is 23509273. The reversal of 23509248 is 84290532.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3190 + ... + 7562.

It is an arithmetic number, because the mean of its divisors is an integer number (993384).

Almost surely, 2^23509248 is an apocalyptic number.

23509248 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23509248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35761824).

23509248 is an abundant number, since it is smaller than the sum of its proper divisors (48014400).

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

23509248 is an equidigital number, since it uses as much as digits as its factorization.

23509248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4399 (or 4385 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 23509248 is about 4848.6336219599. The cubic root of 23509248 is about 286.4702843431.

The spelling of 23509248 in words is "twenty-three million, five hundred nine thousand, two hundred forty-eight".