23256912 has 80 divisors (see below), whose sum is σ = 72296960. Its totient is φ = 6293376.

The previous prime is 23256911. The next prime is 23256929. The reversal of 23256912 is 21965232.

It is a self number, because there is not a number n which added to its sum of digits gives 23256912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23256911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4563 + ... + 8205.

It is an arithmetic number, because the mean of its divisors is an integer number (903712).

Almost surely, 2^23256912 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 23256912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36148480).

23256912 is an abundant number, since it is smaller than the sum of its proper divisors (49040048).

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

23256912 is a wasteful number, since it uses less digits than its factorization.

23256912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3680 (or 3674 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 23256912 is about 4822.5420682458. The cubic root of 23256912 is about 285.4416544115.

The spelling of 23256912 in words is "twenty-three million, two hundred fifty-six thousand, nine hundred twelve".