2122331561623 has 16 divisors (see below), whose sum is σ = 2617293482496. Its totient is φ = 1675868968800.

The previous prime is 2122331561617. The next prime is 2122331561711. The reversal of 2122331561623 is 3261651332212.

It is not a de Polignac number, because 2122331561623 - 2⁵ = 2122331561591 is a prime.

It is a super-2 number, since 2×2122331561623² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122331561023) 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 15 ways as a sum of consecutive naturals, for example, 23137453 + ... + 23228998.

It is an arithmetic number, because the mean of its divisors is an integer number (163580842656).

Almost surely, 2^{2122331561623} is an apocalyptic number.

2122331561623 is a deficient number, since it is larger than the sum of its proper divisors (494961920873).

2122331561623 is a wasteful number, since it uses less digits than its factorization.

2122331561623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46366974.

The product of its digits is 77760, while the sum is 37.

Adding to 2122331561623 its reverse (3261651332212), we get a palindrome (5383982893835).

The spelling of 2122331561623 in words is "two trillion, one hundred twenty-two billion, three hundred thirty-one million, five hundred sixty-one thousand, six hundred twenty-three".