23841685505 has 16 divisors (see below), whose sum is σ = 31214562624. Its totient is φ = 17337391680.

The previous prime is 23841685493. The next prime is 23841685541. The reversal of 23841685505 is 50558614832.

It is not a de Polignac number, because 23841685505 - 2²² = 23837491201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23841685505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 585467 + ... + 624863.

It is an arithmetic number, because the mean of its divisors is an integer number (1950910164).

Almost surely, 2^23841685505 is an apocalyptic number.

It is an amenable number.

23841685505 is a deficient number, since it is larger than the sum of its proper divisors (7372877119).

23841685505 is a wasteful number, since it uses less digits than its factorization.

23841685505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50416.

The product of its (nonzero) digits is 1152000, while the sum is 47.

The spelling of 23841685505 in words is "twenty-three billion, eight hundred forty-one million, six hundred eighty-five thousand, five hundred five".