23281984 has 28 divisors (see below), whose sum is σ = 50401728. Its totient is φ = 10582400.

The previous prime is 23281981. The next prime is 23282029. The reversal of 23281984 is 48918232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23281981) 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, 15832 + ... + 17239.

Almost surely, 2^23281984 is an apocalyptic number.

It is an amenable number.

23281984 is an abundant number, since it is smaller than the sum of its proper divisors (27119744).

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

23281984 is a wasteful number, since it uses less digits than its factorization.

23281984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33094 (or 33084 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 23281984 is about 4825.1408269604. The cubic root of 23281984 is about 285.5441905664.

It can be divided in two parts, 232819 and 84, that added together give a triangular number (232903 = T₆₈₂).

The spelling of 23281984 in words is "twenty-three million, two hundred eighty-one thousand, nine hundred eighty-four".