22123120427 has 2 divisors, whose sum is σ = 22123120428. Its totient is φ = 22123120426.

The previous prime is 22123120417. The next prime is 22123120441. The reversal of 22123120427 is 72402132122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22123120427 - 2¹⁸ = 22122858283 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22123120396 and 22123120405.

It is not a weakly prime, because it can be changed into another prime (22123120417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061560213 + 11061560214.

It is an arithmetic number, because the mean of its divisors is an integer number (11061560214).

Almost surely, 2^22123120427 is an apocalyptic number.

22123120427 is a deficient number, since it is larger than the sum of its proper divisors (1).

22123120427 is an equidigital number, since it uses as much as digits as its factorization.

22123120427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 22123120427 its reverse (72402132122), we get a palindrome (94525252549).

The spelling of 22123120427 in words is "twenty-two billion, one hundred twenty-three million, one hundred twenty thousand, four hundred twenty-seven".