23538012 has 12 divisors (see below), whose sum is σ = 54922056. Its totient is φ = 7846000.

The previous prime is 23538007. The next prime is 23538019. The reversal of 23538012 is 21083532.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23538019) 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, 980739 + ... + 980762.

It is an arithmetic number, because the mean of its divisors is an integer number (4576838).

Almost surely, 2^23538012 is an apocalyptic number.

It is an amenable number.

23538012 is an abundant number, since it is smaller than the sum of its proper divisors (31384044).

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

23538012 is a wasteful number, since it uses less digits than its factorization.

23538012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961508 (or 1961506 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 23538012 is about 4851.5989116991. The cubic root of 23538012 is about 286.5870706242.

The spelling of 23538012 in words is "twenty-three million, five hundred thirty-eight thousand, twelve".