22123204321144 has 64 divisors (see below), whose sum is σ = 43181530428960. Its totient is φ = 10616984616960.

The previous prime is 22123204321129. The next prime is 22123204321151. The reversal of 22123204321144 is 44112340232122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7559664 + ... + 10069504.

Almost surely, 2^{22123204321144} is an apocalyptic number.

It is an amenable number.

22123204321144 is a deficient number, since it is larger than the sum of its proper divisors (21058326107816).

22123204321144 is a wasteful number, since it uses less digits than its factorization.

22123204321144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510288 (or 2510284 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 22123204321144 its reverse (44112340232122), we get a palindrome (66235544553266).

The spelling of 22123204321144 in words is "twenty-two trillion, one hundred twenty-three billion, two hundred four million, three hundred twenty-one thousand, one hundred forty-four".