23455144 has 16 divisors (see below), whose sum is σ = 44097300. Its totient is φ = 11695872.

The previous prime is 23455141. The next prime is 23455153. The reversal of 23455144 is 44155432.

It can be written as a sum of positive squares in 2 ways, for example, as 22752900 + 702244 = 4770^2 + 838^2 .

It is not an unprimeable number, because it can be changed into a prime (23455141) 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 3 ways as a sum of consecutive naturals, for example, 657 + ... + 6880.

Almost surely, 2^23455144 is an apocalyptic number.

It is an amenable number.

23455144 is a deficient number, since it is larger than the sum of its proper divisors (20642156).

23455144 is a wasteful number, since it uses less digits than its factorization.

23455144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7932 (or 7928 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 23455144 is about 4843.0511044175. The cubic root of 23455144 is about 286.2503553831.

The spelling of 23455144 in words is "twenty-three million, four hundred fifty-five thousand, one hundred forty-four".