2321123044423 has 4 divisors (see below), whose sum is σ = 2347203078720. Its totient is φ = 2295043010128.

The previous prime is 2321123044411. The next prime is 2321123044463. The reversal of 2321123044423 is 3244403211232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2321123044423 - 2¹³ = 2321123036231 is a prime.

It is a super-2 number, since 2×2321123044423² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321123044463) 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 3 ways as a sum of consecutive naturals, for example, 13040017015 + ... + 13040017192.

It is an arithmetic number, because the mean of its divisors is an integer number (586800769680).

Almost surely, 2^{2321123044423} is an apocalyptic number.

2321123044423 is a deficient number, since it is larger than the sum of its proper divisors (26080034297).

2321123044423 is an equidigital number, since it uses as much as digits as its factorization.

2321123044423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26080034296.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 2321123044423 its reverse (3244403211232), we get a palindrome (5565526255655).

The spelling of 2321123044423 in words is "two trillion, three hundred twenty-one billion, one hundred twenty-three million, forty-four thousand, four hundred twenty-three".