23112636 has 12 divisors (see below), whose sum is σ = 53929512. Its totient is φ = 7704208.

The previous prime is 23112619. The next prime is 23112637. The reversal of 23112636 is 63621132.

It is a happy number.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23112637) 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, 963015 + ... + 963038.

It is an arithmetic number, because the mean of its divisors is an integer number (4494126).

Almost surely, 2^23112636 is an apocalyptic number.

It is an amenable number.

23112636 is an abundant number, since it is smaller than the sum of its proper divisors (30816876).

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

23112636 is a wasteful number, since it uses less digits than its factorization.

23112636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926060 (or 1926058 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

The square root of 23112636 is about 4807.5602960337. The cubic root of 23112636 is about 284.8501767156.

Adding to 23112636 its reverse (63621132), we get a palindrome (86733768).

The spelling of 23112636 in words is "twenty-three million, one hundred twelve thousand, six hundred thirty-six".