23481256 has 8 divisors (see below), whose sum is σ = 44027370. Its totient is φ = 11740624.

The previous prime is 23481251. The next prime is 23481277. The reversal of 23481256 is 65218432.

It can be written as a sum of positive squares in only one way, i.e., 20557156 + 2924100 = 4534^2 + 1710^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (23481251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1467571 + ... + 1467586.

Almost surely, 2^23481256 is an apocalyptic number.

It is an amenable number.

23481256 is a deficient number, since it is larger than the sum of its proper divisors (20546114).

23481256 is a wasteful number, since it uses less digits than its factorization.

23481256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2935163 (or 2935159 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 23481256 is about 4845.7461757711. The cubic root of 23481256 is about 286.3565410062.

Adding to 23481256 its reverse (65218432), we get a palindrome (88699688).

The spelling of 23481256 in words is "twenty-three million, four hundred eighty-one thousand, two hundred fifty-six".