23445256 has 8 divisors (see below), whose sum is σ = 43959870. Its totient is φ = 11722624.

The previous prime is 23445251. The next prime is 23445263. The reversal of 23445256 is 65254432.

It can be written as a sum of positive squares in only one way, i.e., 12489156 + 10956100 = 3534^2 + 3310^2 .

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

It is a super-3 number, since 3×23445256³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (23445251) 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 as a sum of consecutive naturals, namely, 1465321 + ... + 1465336.

Almost surely, 2^23445256 is an apocalyptic number.

It is an amenable number.

23445256 is a deficient number, since it is larger than the sum of its proper divisors (20514614).

23445256 is a wasteful number, since it uses less digits than its factorization.

23445256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2930663 (or 2930659 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

The square root of 23445256 is about 4842.0301527355. The cubic root of 23445256 is about 286.2101248143.

Adding to 23445256 its reverse (65254432), we get a palindrome (88699688).

The spelling of 23445256 in words is "twenty-three million, four hundred forty-five thousand, two hundred fifty-six".