23881056 has 48 divisors (see below), whose sum is σ = 66379824. Its totient is φ = 7491584.

The previous prime is 23881051. The next prime is 23881069. The reversal of 23881056 is 65018832.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23881051) 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 7 ways as a sum of consecutive naturals, for example, 5685 + ... + 8948.

It is an arithmetic number, because the mean of its divisors is an integer number (1382913).

Almost surely, 2^23881056 is an apocalyptic number.

It is an amenable number.

23881056 is an abundant number, since it is smaller than the sum of its proper divisors (42498768).

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

23881056 is a wasteful number, since it uses less digits than its factorization.

23881056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14663 (or 14655 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 23881056 is about 4886.8247359610. The cubic root of 23881056 is about 287.9726054190.

Adding to 23881056 its reverse (65018832), we get a palindrome (88899888).

The spelling of 23881056 in words is "twenty-three million, eight hundred eighty-one thousand, fifty-six".