105112223 has 2 divisors, whose sum is σ = 105112224. Its totient is φ = 105112222.

The previous prime is 105112219. The next prime is 105112243. The reversal of 105112223 is 322211501.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105112223 - 2² = 105112219 is a prime.

It is a super-2 number, since 2×105112223² = 22097158848003458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105112243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52556111 + 52556112.

It is an arithmetic number, because the mean of its divisors is an integer number (52556112).

Almost surely, 2^105112223 is an apocalyptic number.

105112223 is a deficient number, since it is larger than the sum of its proper divisors (1).

105112223 is an equidigital number, since it uses as much as digits as its factorization.

105112223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 105112223 is about 10252.4252252821. The cubic root of 105112223 is about 471.9374124017.

Adding to 105112223 its reverse (322211501), we get a palindrome (427323724).

The spelling of 105112223 in words is "one hundred five million, one hundred twelve thousand, two hundred twenty-three".