22143833834123 has 4 divisors (see below), whose sum is σ = 22144947112968. Its totient is φ = 22142720555280.

The previous prime is 22143833834117. The next prime is 22143833834147. The reversal of 22143833834123 is 32143833834122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22143833834123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22143833834113) 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, 556609586 + ... + 556649367.

It is an arithmetic number, because the mean of its divisors is an integer number (5536236778242).

Almost surely, 2^{22143833834123} is an apocalyptic number.

22143833834123 is a deficient number, since it is larger than the sum of its proper divisors (1113278845).

22143833834123 is a wasteful number, since it uses less digits than its factorization.

22143833834123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113278844.

The product of its digits is 1990656, while the sum is 47.

Subtracting 22143833834123 from its reverse (32143833834122), we obtain a palindrome (9999999999999).

The spelling of 22143833834123 in words is "twenty-two trillion, one hundred forty-three billion, eight hundred thirty-three million, eight hundred thirty-four thousand, one hundred twenty-three".