23281148 has 12 divisors (see below), whose sum is σ = 44445912. Its totient is φ = 10582320.

The previous prime is 23281147. The next prime is 23281157. The reversal of 23281148 is 84118232.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 23281148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23281147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264515 + ... + 264602.

It is an arithmetic number, because the mean of its divisors is an integer number (3703826).

Almost surely, 2^23281148 is an apocalyptic number.

It is an amenable number.

23281148 is a deficient number, since it is larger than the sum of its proper divisors (21164764).

23281148 is a wasteful number, since it uses less digits than its factorization.

23281148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529132 (or 529130 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

The square root of 23281148 is about 4825.0541965868. The cubic root of 23281148 is about 285.5407727906.

The spelling of 23281148 in words is "twenty-three million, two hundred eighty-one thousand, one hundred forty-eight".