23086585729989 has 12 divisors (see below), whose sum is σ = 34160639048172. Its totient is φ = 15015665515200.

The previous prime is 23086585729981. The next prime is 23086585729997. The reversal of 23086585729989 is 98992758568032.

23086585729989 is a `hidden beast` number, since 2 + 3 + 0 + 8 + 6 + 585 + 7 + 29 + 9 + 8 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (23086585729981) and next prime (23086585729997).

It can be written as a sum of positive squares in 2 ways, for example, as 10104674076225 + 12981911653764 = 3178785^2 + 3603042^2 .

It is not a de Polignac number, because 23086585729989 - 2³ = 23086585729981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23086585729981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31282636122 + ... + 31282636859.

It is an arithmetic number, because the mean of its divisors is an integer number (2846719920681).

Almost surely, 2^{23086585729989} is an apocalyptic number.

It is an amenable number.

23086585729989 is a deficient number, since it is larger than the sum of its proper divisors (11074053318183).

23086585729989 is a wasteful number, since it uses less digits than its factorization.

23086585729989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62565273028 (or 62565273025 counting only the distinct ones).

The product of its (nonzero) digits is 4702924800, while the sum is 81.

The spelling of 23086585729989 in words is "twenty-three trillion, eighty-six billion, five hundred eighty-five million, seven hundred twenty-nine thousand, nine hundred eighty-nine".