22163123 has 2 divisors, whose sum is σ = 22163124. Its totient is φ = 22163122.

The previous prime is 22163117. The next prime is 22163143. The reversal of 22163123 is 32136122.

It is a happy number.

It is an a-pointer prime, because the next prime (22163143) can be obtained adding 22163123 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22163123 - 2⁴ = 22163107 is a prime.

It is a super-2 number, since 2×22163123² = 982408042226258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22163095 and 22163104.

It is not a weakly prime, because it can be changed into another prime (22163143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11081561 + 11081562.

It is an arithmetic number, because the mean of its divisors is an integer number (11081562).

Almost surely, 2^22163123 is an apocalyptic number.

22163123 is a deficient number, since it is larger than the sum of its proper divisors (1).

22163123 is an equidigital number, since it uses as much as digits as its factorization.

22163123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 20.

The square root of 22163123 is about 4707.7726155795. The cubic root of 22163123 is about 280.8947694272.

Adding to 22163123 its reverse (32136122), we get a palindrome (54299245).

The spelling of 22163123 in words is "twenty-two million, one hundred sixty-three thousand, one hundred twenty-three".