22443211234423 has 32 divisors (see below), whose sum is σ = 28174541783040. Its totient is φ = 17431382723040.

The previous prime is 22443211234421. The next prime is 22443211234447. The reversal of 22443211234423 is 32443211234422.

It is a cyclic number.

It is not a de Polignac number, because 22443211234423 - 2¹ = 22443211234421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22443211234421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70709508 + ... + 71026198.

It is an arithmetic number, because the mean of its divisors is an integer number (880454430720).

Almost surely, 2^{22443211234423} is an apocalyptic number.

22443211234423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22443211234423 is a deficient number, since it is larger than the sum of its proper divisors (5731330548617).

22443211234423 is a wasteful number, since it uses less digits than its factorization.

22443211234423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339907.

The product of its digits is 221184, while the sum is 37.

Adding to 22443211234423 its reverse (32443211234422), we get a palindrome (54886422468845).

Subtracting 22443211234423 from its reverse (32443211234422), we obtain a palindrome (9999999999999).

The spelling of 22443211234423 in words is "twenty-two trillion, four hundred forty-three billion, two hundred eleven million, two hundred thirty-four thousand, four hundred twenty-three".