22103312023 has 4 divisors (see below), whose sum is σ = 23803566808. Its totient is φ = 20403057240.

The previous prime is 22103311939. The next prime is 22103312071. The reversal of 22103312023 is 32021330122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32021330122 = 2 ⋅16010665061.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22103312023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22103312083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 850127373 + ... + 850127398.

It is an arithmetic number, because the mean of its divisors is an integer number (5950891702).

Almost surely, 2^22103312023 is an apocalyptic number.

22103312023 is a deficient number, since it is larger than the sum of its proper divisors (1700254785).

22103312023 is a wasteful number, since it uses less digits than its factorization.

22103312023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700254784.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22103312023 its reverse (32021330122), we get a palindrome (54124642145).

The spelling of 22103312023 in words is "twenty-two billion, one hundred three million, three hundred twelve thousand, twenty-three".