2116321612023 has 8 divisors (see below), whose sum is σ = 2829207433600. Its totient is φ = 1407158432568.

The previous prime is 2116321612021. The next prime is 2116321612037. The reversal of 2116321612023 is 3202161236112.

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

It is not a de Polignac number, because 2116321612023 - 2¹ = 2116321612021 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 (2116321612021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 930659203 + ... + 930661476.

It is an arithmetic number, because the mean of its divisors is an integer number (353650929200).

Almost surely, 2^{2116321612023} is an apocalyptic number.

2116321612023 is a deficient number, since it is larger than the sum of its proper divisors (712885821577).

2116321612023 is a wasteful number, since it uses less digits than its factorization.

2116321612023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861321061.

The product of its (nonzero) digits is 5184, while the sum is 30.

Adding to 2116321612023 its reverse (3202161236112), we get a palindrome (5318482848135).

The spelling of 2116321612023 in words is "two trillion, one hundred sixteen billion, three hundred twenty-one million, six hundred twelve thousand, twenty-three".