23280712 has 64 divisors (see below), whose sum is σ = 54391680. Its totient is φ = 9096192.

The previous prime is 23280683. The next prime is 23280713. The reversal of 23280712 is 21708232.

It is not an unprimeable number, because it can be changed into a prime (23280713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82123 + ... + 82405.

It is an arithmetic number, because the mean of its divisors is an integer number (849870).

Almost surely, 2^23280712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23280712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27195840).

23280712 is an abundant number, since it is smaller than the sum of its proper divisors (31110968).

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

23280712 is a wasteful number, since it uses less digits than its factorization.

23280712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 23280712 is about 4825.0090155356. The cubic root of 23280712 is about 285.5389902818.

Adding to 23280712 its reverse (21708232), we get a palindrome (44988944).

The spelling of 23280712 in words is "twenty-three million, two hundred eighty thousand, seven hundred twelve".