23725144 has 16 divisors (see below), whose sum is σ = 46419120. Its totient is φ = 11346720.

The previous prime is 23725127. The next prime is 23725171. The reversal of 23725144 is 44152732.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64287 + ... + 64654.

It is an arithmetic number, because the mean of its divisors is an integer number (2901195).

Almost surely, 2^23725144 is an apocalyptic number.

It is an amenable number.

23725144 is a deficient number, since it is larger than the sum of its proper divisors (22693976).

23725144 is a wasteful number, since it uses less digits than its factorization.

23725144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128970 (or 128966 counting only the distinct ones).

The product of its digits is 6720, while the sum is 28.

The square root of 23725144 is about 4870.8463330308. The cubic root of 23725144 is about 287.3445420424.

Adding to 23725144 its reverse (44152732), we get a palindrome (67877876).

The spelling of 23725144 in words is "twenty-three million, seven hundred twenty-five thousand, one hundred forty-four".