23728630 has 16 divisors (see below), whose sum is σ = 43518384. Its totient is φ = 9312160.

The previous prime is 23728603. The next prime is 23728631. The reversal of 23728630 is 3682732.

It is a junction number, because it is equal to n+sod(n) for n = 23728592 and 23728601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23728631) 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 7 ways as a sum of consecutive naturals, for example, 21856 + ... + 22915.

It is an arithmetic number, because the mean of its divisors is an integer number (2719899).

Almost surely, 2^23728630 is an apocalyptic number.

23728630 is a deficient number, since it is larger than the sum of its proper divisors (19789754).

23728630 is a wasteful number, since it uses less digits than its factorization.

23728630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44831.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 23728630 is about 4871.2041632434. The cubic root of 23728630 is about 287.3586147918.

The spelling of 23728630 in words is "twenty-three million, seven hundred twenty-eight thousand, six hundred thirty".