23122105 has 8 divisors (see below), whose sum is σ = 27783432. Its totient is φ = 18473088.

The previous prime is 23122103. The next prime is 23122109. The reversal of 23122105 is 50122132.

It can be written as a sum of positive squares in 4 ways, for example, as 5456896 + 17665209 = 2336^2 + 4203^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23122105 - 2¹ = 23122103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23122103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1749 + ... + 7021.

It is an arithmetic number, because the mean of its divisors is an integer number (3472929).

Almost surely, 2^23122105 is an apocalyptic number.

It is an amenable number.

23122105 is a deficient number, since it is larger than the sum of its proper divisors (4661327).

23122105 is an equidigital number, since it uses as much as digits as its factorization.

23122105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6155.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 23122105 is about 4808.5449982297. The cubic root of 23122105 is about 284.8890714290.

Adding to 23122105 its reverse (50122132), we get a palindrome (73244237).

The spelling of 23122105 in words is "twenty-three million, one hundred twenty-two thousand, one hundred five".