22736321123 has 16 divisors (see below), whose sum is σ = 24222364416. Its totient is φ = 21293432160.

The previous prime is 22736321099. The next prime is 22736321129. The reversal of 22736321123 is 32112363722.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22736321123 - 2¹⁶ = 22736255587 is a prime.

It is a super-2 number, since 2×22736321123² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22736321123.

It is not an unprimeable number, because it can be changed into a prime (22736321129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 579536 + ... + 617522.

It is an arithmetic number, because the mean of its divisors is an integer number (1513897776).

Almost surely, 2^22736321123 is an apocalyptic number.

22736321123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22736321123 is a deficient number, since it is larger than the sum of its proper divisors (1486043293).

22736321123 is a wasteful number, since it uses less digits than its factorization.

22736321123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38554.

The product of its digits is 18144, while the sum is 32.

Adding to 22736321123 its reverse (32112363722), we get a palindrome (54848684845).

The spelling of 22736321123 in words is "twenty-two billion, seven hundred thirty-six million, three hundred twenty-one thousand, one hundred twenty-three".