23236664 has 16 divisors (see below), whose sum is σ = 47529720. Its totient is φ = 10562080.

The previous prime is 23236657. The next prime is 23236687. The reversal of 23236664 is 46663232.

It is a self number, because there is not a number n which added to its sum of digits gives 23236664.

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, 131939 + ... + 132114.

Almost surely, 2^23236664 is an apocalyptic number.

It is an amenable number.

23236664 is an abundant number, since it is smaller than the sum of its proper divisors (24293056).

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

23236664 is a wasteful number, since it uses less digits than its factorization.

23236664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264070 (or 264066 counting only the distinct ones).

The product of its digits is 31104, while the sum is 32.

The square root of 23236664 is about 4820.4423033576. The cubic root of 23236664 is about 285.3587930136.

Adding to 23236664 its reverse (46663232), we get a palindrome (69899896).

The spelling of 23236664 in words is "twenty-three million, two hundred thirty-six thousand, six hundred sixty-four".