23366838556 has 18 divisors (see below), whose sum is σ = 40977770568. Its totient is φ = 11658955320.

The previous prime is 23366838553. The next prime is 23366838557. The reversal of 23366838556 is 65583866332.

It is a junction number, because it is equal to n+sod(n) for n = 23366838497 and 23366838506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23366838553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 936361 + ... + 960991.

Almost surely, 2^23366838556 is an apocalyptic number.

It is an amenable number.

23366838556 is a deficient number, since it is larger than the sum of its proper divisors (17610932012).

23366838556 is an equidigital number, since it uses as much as digits as its factorization.

23366838556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25609 (or 25120 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 55.

The spelling of 23366838556 in words is "twenty-three billion, three hundred sixty-six million, eight hundred thirty-eight thousand, five hundred fifty-six".