23555903677780 has 12 divisors (see below), whose sum is σ = 49467397723380. Its totient is φ = 9422361471104.

The previous prime is 23555903677703. The next prime is 23555903677793. The reversal of 23555903677780 is 8777630955532.

It can be written as a sum of positive squares in 2 ways, for example, as 11314316232976 + 12241587444804 = 3363676^2 + 3498798^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 588897591925 + ... + 588897591964.

It is an arithmetic number, because the mean of its divisors is an integer number (4122283143615).

Almost surely, 2^{23555903677780} is an apocalyptic number.

23555903677780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23555903677780 is an abundant number, since it is smaller than the sum of its proper divisors (25911494045600).

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

23555903677780 is a wasteful number, since it uses less digits than its factorization.

23555903677780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177795183898 (or 1177795183896 counting only the distinct ones).

The product of its (nonzero) digits is 333396000, while the sum is 67.

The spelling of 23555903677780 in words is "twenty-three trillion, five hundred fifty-five billion, nine hundred three million, six hundred seventy-seven thousand, seven hundred eighty".