23036564 has 12 divisors (see below), whose sum is σ = 42685524. Its totient is φ = 10840704.

The previous prime is 23036557. The next prime is 23036579. The reversal of 23036564 is 46563032.

It can be written as a sum of positive squares in 2 ways, for example, as 21548164 + 1488400 = 4642^2 + 1220^2 .

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, 169319 + ... + 169454.

It is an arithmetic number, because the mean of its divisors is an integer number (3557127).

Almost surely, 2^23036564 is an apocalyptic number.

It is an amenable number.

23036564 is a deficient number, since it is larger than the sum of its proper divisors (19648960).

23036564 is a wasteful number, since it uses less digits than its factorization.

23036564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338794 (or 338792 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 23036564 is about 4799.6420699881. The cubic root of 23036564 is about 284.5373184183.

Adding to 23036564 its reverse (46563032), we get a palindrome (69599596).

The spelling of 23036564 in words is "twenty-three million, thirty-six thousand, five hundred sixty-four".