23555903677779 has 24 divisors (see below), whose sum is σ = 34786233953856. Its totient is φ = 14167325801200.

The previous prime is 23555903677703. The next prime is 23555903677793. The reversal of 23555903677779 is 97777630955532.

It is not a de Polignac number, because 23555903677779 - 2²⁷ = 23555769460051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23555903677779.

It is not an unprimeable number, because it can be changed into a prime (23555903677799) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 247632969 + ... + 247728074.

It is an arithmetic number, because the mean of its divisors is an integer number (1449426414744).

Almost surely, 2^{23555903677779} is an apocalyptic number.

23555903677779 is a deficient number, since it is larger than the sum of its proper divisors (11230330276077).

23555903677779 is a wasteful number, since it uses less digits than its factorization.

23555903677779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495361199 (or 495361188 counting only the distinct ones).

The product of its (nonzero) digits is 2625493500, while the sum is 75.

The spelling of 23555903677779 in words is "twenty-three trillion, five hundred fifty-five billion, nine hundred three million, six hundred seventy-seven thousand, seven hundred seventy-nine".