22443044023 has 4 divisors (see below), whose sum is σ = 22460592640. Its totient is φ = 22425495408.

The previous prime is 22443043999. The next prime is 22443044027. The reversal of 22443044023 is 32044034422.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32044034422 = 2 ⋅16022017211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22443044023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22443043982 and 22443044000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22443044027) 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, 8772390 + ... + 8774947.

It is an arithmetic number, because the mean of its divisors is an integer number (5615148160).

Almost surely, 2^22443044023 is an apocalyptic number.

22443044023 is a deficient number, since it is larger than the sum of its proper divisors (17548617).

22443044023 is a wasteful number, since it uses less digits than its factorization.

22443044023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17548616.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 22443044023 its reverse (32044034422), we get a palindrome (54487078445).

The spelling of 22443044023 in words is "twenty-two billion, four hundred forty-three million, forty-four thousand, twenty-three".