23111424636 has 12 divisors (see below), whose sum is σ = 53926657512. Its totient is φ = 7703808208.

The previous prime is 23111424607. The next prime is 23111424643. The reversal of 23111424636 is 63642411132.

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 junction number, because it is equal to n+sod(n) for n = 23111424597 and 23111424606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 962976015 + ... + 962976038.

It is an arithmetic number, because the mean of its divisors is an integer number (4493888126).

Almost surely, 2^23111424636 is an apocalyptic number.

It is an amenable number.

23111424636 is an abundant number, since it is smaller than the sum of its proper divisors (30815232876).

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

23111424636 is a wasteful number, since it uses less digits than its factorization.

23111424636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925952060 (or 1925952058 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

Adding to 23111424636 its reverse (63642411132), we get a palindrome (86753835768).

The spelling of 23111424636 in words is "twenty-three billion, one hundred eleven million, four hundred twenty-four thousand, six hundred thirty-six".