2123115727886 has 8 divisors (see below), whose sum is σ = 3196170609240. Its totient is φ = 1057725524808.

The previous prime is 2123115727861. The next prime is 2123115727897. The reversal of 2123115727886 is 6887275113212.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1916168876 + ... + 1916169983.

It is an arithmetic number, because the mean of its divisors is an integer number (399521326155).

Almost surely, 2^{2123115727886} is an apocalyptic number.

2123115727886 is a deficient number, since it is larger than the sum of its proper divisors (1073054881354).

2123115727886 is a wasteful number, since it uses less digits than its factorization.

2123115727886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3832339138.

The product of its digits is 2257920, while the sum is 53.

The spelling of 2123115727886 in words is "two trillion, one hundred twenty-three billion, one hundred fifteen million, seven hundred twenty-seven thousand, eight hundred eighty-six".