23127686289 has 12 divisors (see below), whose sum is σ = 33408053172. Its totient is φ = 15417813600.

The previous prime is 23127686287. The next prime is 23127686327. The reversal of 23127686289 is 98268672132.

23127686289 is a `hidden beast` number, since 2 + 3 + 1 + 2 + 7 + 6 + 8 + 628 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8350852689 + 14776833600 = 91383^2 + 121560^2 .

It is not a de Polignac number, because 23127686289 - 2¹ = 23127686287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23127686287) 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, 288919 + ... + 360179.

It is an arithmetic number, because the mean of its divisors is an integer number (2784004431).

Almost surely, 2^23127686289 is an apocalyptic number.

It is an amenable number.

23127686289 is a deficient number, since it is larger than the sum of its proper divisors (10280366883).

23127686289 is a wasteful number, since it uses less digits than its factorization.

23127686289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107328 (or 107325 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The spelling of 23127686289 in words is "twenty-three billion, one hundred twenty-seven million, six hundred eighty-six thousand, two hundred eighty-nine".