23281704 has 96 divisors (see below), whose sum is σ = 69750720. Its totient is φ = 6978048.

The previous prime is 23281673. The next prime is 23281711. The reversal of 23281704 is 40718232.

It is a super-2 number, since 2×23281704² = 1084075482287232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27739 + ... + 28565.

It is an arithmetic number, because the mean of its divisors is an integer number (726570).

Almost surely, 2^23281704 is an apocalyptic number.

23281704 is a gapful number since it is divisible by the number (24) 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 23281704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34875360).

23281704 is an abundant number, since it is smaller than the sum of its proper divisors (46469016).

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

23281704 is a wasteful number, since it uses less digits than its factorization.

23281704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879 (or 872 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 23281704 is about 4825.1118121760. Note that the first 3 decimals coincide. The cubic root of 23281704 is about 285.5430458659.

Adding to 23281704 its reverse (40718232), we get a palindrome (63999936).

The spelling of 23281704 in words is "twenty-three million, two hundred eighty-one thousand, seven hundred four".