23664012 has 24 divisors (see below), whose sum is σ = 55384896. Its totient is φ = 7863888.

The previous prime is 23664007. The next prime is 23664019. The reversal of 23664012 is 21046632.

It is a super-2 number, since 2×23664012² = 1119970927872288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23664019) 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 in 7 ways as a sum of consecutive naturals, for example, 1323 + ... + 7005.

It is an arithmetic number, because the mean of its divisors is an integer number (2307704).

Almost surely, 2^23664012 is an apocalyptic number.

It is an amenable number.

23664012 is an abundant number, since it is smaller than the sum of its proper divisors (31720884).

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

23664012 is a wasteful number, since it uses less digits than its factorization.

23664012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6037 (or 6035 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 23664012 is about 4864.5669899797. The cubic root of 23664012 is about 287.0975318742.

The spelling of 23664012 in words is "twenty-three million, six hundred sixty-four thousand, twelve".