2113623623543 has 8 divisors (see below), whose sum is σ = 2123504966016. Its totient is φ = 2103745881600.

The previous prime is 2113623623521. The next prime is 2113623623599. The reversal of 2113623623543 is 3453263263112.

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

It is a cyclic number.

It is not a de Polignac number, because 2113623623543 - 2²² = 2113619429239 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 2113623623543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113623623513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280283 + ... + 2075043.

It is an arithmetic number, because the mean of its divisors is an integer number (265438120752).

Almost surely, 2^{2113623623543} is an apocalyptic number.

2113623623543 is a deficient number, since it is larger than the sum of its proper divisors (9881342473).

2113623623543 is a wasteful number, since it uses less digits than its factorization.

2113623623543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800265.

The product of its digits is 466560, while the sum is 41.

Adding to 2113623623543 its reverse (3453263263112), we get a palindrome (5566886886655).

The spelling of 2113623623543 in words is "two trillion, one hundred thirteen billion, six hundred twenty-three million, six hundred twenty-three thousand, five hundred forty-three".