2112557341823 has 8 divisors (see below), whose sum is σ = 2223777110400. Its totient is φ = 2001340827288.

The previous prime is 2112557341799. The next prime is 2112557341901. The reversal of 2112557341823 is 3281437552112.

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

It is not a de Polignac number, because 2112557341823 - 2³² = 2108262374527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112557341123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580340 + ... + 2135862.

It is an arithmetic number, because the mean of its divisors is an integer number (277972138800).

Almost surely, 2^{2112557341823} is an apocalyptic number.

2112557341823 is a deficient number, since it is larger than the sum of its proper divisors (111219768577).

2112557341823 is a wasteful number, since it uses less digits than its factorization.

2112557341823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627021.

The product of its digits is 403200, while the sum is 44.

The spelling of 2112557341823 in words is "two trillion, one hundred twelve billion, five hundred fifty-seven million, three hundred forty-one thousand, eight hundred twenty-three".