23006256 has 160 divisors (see below), whose sum is σ = 76661760. Its totient is φ = 5778432.

The previous prime is 23006239. The next prime is 23006257. The reversal of 23006256 is 65260032.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (23006257) 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 31 ways as a sum of consecutive naturals, for example, 100350 + ... + 100578.

It is an arithmetic number, because the mean of its divisors is an integer number (479136).

Almost surely, 2^23006256 is an apocalyptic number.

23006256 is a gapful number since it is divisible by the number (26) 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 23006256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38330880).

23006256 is an abundant number, since it is smaller than the sum of its proper divisors (53655504).

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

23006256 is a wasteful number, since it uses less digits than its factorization.

23006256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 23006256 is about 4796.4837120541. The cubic root of 23006256 is about 284.4124800417.

Adding to 23006256 its reverse (65260032), we get a palindrome (88266288).

The spelling of 23006256 in words is "twenty-three million, six thousand, two hundred fifty-six".