23288185556 has 48 divisors (see below), whose sum is σ = 43394669136. Its totient is φ = 10897588224.

The previous prime is 23288185519. The next prime is 23288185559. The reversal of 23288185556 is 65558188232.

It can be written as a sum of positive squares in 8 ways, for example, as 902041156 + 22386144400 = 30034^2 + 149620^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23288185498 and 23288185507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23288185559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19520096 + ... + 19521288.

It is an arithmetic number, because the mean of its divisors is an integer number (904055607).

Almost surely, 2^23288185556 is an apocalyptic number.

It is an amenable number.

23288185556 is a deficient number, since it is larger than the sum of its proper divisors (20106483580).

23288185556 is a wasteful number, since it uses less digits than its factorization.

23288185556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588 (or 2586 counting only the distinct ones).

The product of its digits is 4608000, while the sum is 53.

The spelling of 23288185556 in words is "twenty-three billion, two hundred eighty-eight million, one hundred eighty-five thousand, five hundred fifty-six".