22412320423 has 2 divisors, whose sum is σ = 22412320424. Its totient is φ = 22412320422.

The previous prime is 22412320339. The next prime is 22412320433. The reversal of 22412320423 is 32402321422.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22412320423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22412320433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11206160211 + 11206160212.

It is an arithmetic number, because the mean of its divisors is an integer number (11206160212).

Almost surely, 2^22412320423 is an apocalyptic number.

22412320423 is a deficient number, since it is larger than the sum of its proper divisors (1).

22412320423 is an equidigital number, since it uses as much as digits as its factorization.

22412320423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 22412320423 its reverse (32402321422), we get a palindrome (54814641845).

Subtracting 22412320423 from its reverse (32402321422), we obtain a palindrome (9990000999).

The spelling of 22412320423 in words is "twenty-two billion, four hundred twelve million, three hundred twenty thousand, four hundred twenty-three".