23281448 has 16 divisors (see below), whose sum is σ = 43723680. Its totient is φ = 11621808.

The previous prime is 23281439. The next prime is 23281457. The reversal of 23281448 is 84418232.

It is an interprime number because it is at equal distance from previous prime (23281439) and next prime (23281457).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3815 + ... + 7817.

It is an arithmetic number, because the mean of its divisors is an integer number (2732730).

Almost surely, 2^23281448 is an apocalyptic number.

It is an amenable number.

23281448 is a deficient number, since it is larger than the sum of its proper divisors (20442232).

23281448 is a wasteful number, since it uses less digits than its factorization.

23281448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4736 (or 4732 counting only the distinct ones).

The product of its digits is 12288, while the sum is 32.

The square root of 23281448 is about 4825.0852842204. The cubic root of 23281448 is about 285.5419992746.

The spelling of 23281448 in words is "twenty-three million, two hundred eighty-one thousand, four hundred forty-eight".