23825728 has 14 divisors (see below), whose sum is σ = 47279306. Its totient is φ = 11912832.

The previous prime is 23825719. The next prime is 23825729. The reversal of 23825728 is 82752832.

It can be written as a sum of positive squares in only one way, i.e., 23503104 + 322624 = 4848^2 + 568^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23825729) 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 as a sum of consecutive naturals, namely, 186075 + ... + 186202.

Almost surely, 2^23825728 is an apocalyptic number.

It is an amenable number.

23825728 is a deficient number, since it is larger than the sum of its proper divisors (23453578).

23825728 is an equidigital number, since it uses as much as digits as its factorization.

23825728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372289 (or 372279 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 23825728 is about 4881.1605177458. The cubic root of 23825728 is about 287.7500403205.

The spelling of 23825728 in words is "twenty-three million, eight hundred twenty-five thousand, seven hundred twenty-eight".