23668572 has 12 divisors (see below), whose sum is σ = 55226696. Its totient is φ = 7889520.

The previous prime is 23668559. The next prime is 23668577. The reversal of 23668572 is 27586632.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 23668572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23668577) 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 3 ways as a sum of consecutive naturals, for example, 986179 + ... + 986202.

Almost surely, 2^23668572 is an apocalyptic number.

It is an amenable number.

23668572 is an abundant number, since it is smaller than the sum of its proper divisors (31558124).

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

23668572 is a wasteful number, since it uses less digits than its factorization.

23668572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972388 (or 1972386 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 23668572 is about 4865.0356627675. The cubic root of 23668572 is about 287.1159716984.

The spelling of 23668572 in words is "twenty-three million, six hundred sixty-eight thousand, five hundred seventy-two".