23036644 has 12 divisors (see below), whose sum is σ = 41403964. Its totient is φ = 11206944.

The previous prime is 23036623. The next prime is 23036647. The reversal of 23036644 is 44663032.

It can be written as a sum of positive squares in 2 ways, for example, as 18576100 + 4460544 = 4310^2 + 2112^2 .

It is not an unprimeable number, because it can be changed into a prime (23036647) 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, 77679 + ... + 77974.

Almost surely, 2^23036644 is an apocalyptic number.

It is an amenable number.

23036644 is a deficient number, since it is larger than the sum of its proper divisors (18367320).

23036644 is a wasteful number, since it uses less digits than its factorization.

23036644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155694 (or 155692 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 23036644 is about 4799.6504039357. The cubic root of 23036644 is about 284.5376477926.

Adding to 23036644 its reverse (44663032), we get a palindrome (67699676).

The spelling of 23036644 in words is "twenty-three million, thirty-six thousand, six hundred forty-four".