2123222142344 has 64 divisors (see below), whose sum is σ = 4028912784000. Its totient is φ = 1048902027264.

The previous prime is 2123222142343. The next prime is 2123222142389. The reversal of 2123222142344 is 4432412223212.

It is a self number, because there is not a number n which added to its sum of digits gives 2123222142344.

It is not an unprimeable number, because it can be changed into a prime (2123222142343) 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, 1034203622 + ... + 1034205674.

It is an arithmetic number, because the mean of its divisors is an integer number (62951762250).

Almost surely, 2^{2123222142344} is an apocalyptic number.

It is an amenable number.

2123222142344 is a deficient number, since it is larger than the sum of its proper divisors (1905690641656).

2123222142344 is a wasteful number, since it uses less digits than its factorization.

2123222142344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4782 (or 4778 counting only the distinct ones).

The product of its digits is 36864, while the sum is 32.

Adding to 2123222142344 its reverse (4432412223212), we get a palindrome (6555634365556).

The spelling of 2123222142344 in words is "two trillion, one hundred twenty-three billion, two hundred twenty-two million, one hundred forty-two thousand, three hundred forty-four".