23653630 has 128 divisors (see below), whose sum is σ = 60963840. Its totient is φ = 6359040.

The previous prime is 23653603. The next prime is 23653633. The reversal of 23653630 is 3635632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23653633) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 170101 + ... + 170239.

It is an arithmetic number, because the mean of its divisors is an integer number (476280).

Almost surely, 2^23653630 is an apocalyptic number.

23653630 is an abundant number, since it is smaller than the sum of its proper divisors (37310210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23653630 is a wasteful number, since it uses less digits than its factorization.

23653630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194.

The product of its (nonzero) digits is 9720, while the sum is 28.

The square root of 23653630 is about 4863.4997686851. The cubic root of 23653630 is about 287.0555400855.

It can be divided in two parts, 2365 and 3630, that added together give a palindrome (5995).

The spelling of 23653630 in words is "twenty-three million, six hundred fifty-three thousand, six hundred thirty".