22400343403123 has 4 divisors (see below), whose sum is σ = 25600392460720. Its totient is φ = 19200294345528.

The previous prime is 22400343403121. The next prime is 22400343403129. The reversal of 22400343403123 is 32130434300422.

It is a happy number.

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 22400343403123 - 2¹ = 22400343403121 is a prime.

It is a super-2 number, since 2×22400343403123² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22400343403121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1600024528788 + ... + 1600024528801.

It is an arithmetic number, because the mean of its divisors is an integer number (6400098115180).

Almost surely, 2^{22400343403123} is an apocalyptic number.

22400343403123 is a deficient number, since it is larger than the sum of its proper divisors (3200049057597).

22400343403123 is an equidigital number, since it uses as much as digits as its factorization.

22400343403123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200049057596.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 22400343403123 its reverse (32130434300422), we get a palindrome (54530777703545).

The spelling of 22400343403123 in words is "twenty-two trillion, four hundred billion, three hundred forty-three million, four hundred three thousand, one hundred twenty-three".