22312043023 has 4 divisors (see below), whose sum is σ = 23624516160. Its totient is φ = 20999569888.

The previous prime is 22312042999. The next prime is 22312043029. The reversal of 22312043023 is 32034021322.

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 22312043023 - 2²¹ = 22309945871 is a prime.

It is a super-3 number, since 3×22312043023³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22312042985 and 22312043003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22312043029) 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 3 ways as a sum of consecutive naturals, for example, 656236543 + ... + 656236576.

It is an arithmetic number, because the mean of its divisors is an integer number (5906129040).

Almost surely, 2^22312043023 is an apocalyptic number.

22312043023 is a deficient number, since it is larger than the sum of its proper divisors (1312473137).

22312043023 is a wasteful number, since it uses less digits than its factorization.

22312043023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312473136.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 22312043023 its reverse (32034021322), we get a palindrome (54346064345).

The spelling of 22312043023 in words is "twenty-two billion, three hundred twelve million, forty-three thousand, twenty-three".