105423343225 has 6 divisors (see below), whose sum is σ = 130724945630. Its totient is φ = 84338674560.

The previous prime is 105423343219. The next prime is 105423343229. The reversal of 105423343225 is 522343324501.

It can be written as a sum of positive squares in 3 ways, for example, as 16757561401 + 88665781824 = 129451^2 + 297768^2 .

It is not a de Polignac number, because 105423343225 - 2¹⁹ = 105422818937 is a prime.

It is a super-2 number, since 2×105423343225² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105423343229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2108466840 + ... + 2108466889.

Almost surely, 2^105423343225 is an apocalyptic number.

It is an amenable number.

105423343225 is a deficient number, since it is larger than the sum of its proper divisors (25301602405).

105423343225 is an equidigital number, since it uses as much as digits as its factorization.

105423343225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4216933739 (or 4216933734 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 105423343225 its reverse (522343324501), we get a palindrome (627766667726).

The spelling of 105423343225 in words is "one hundred five billion, four hundred twenty-three million, three hundred forty-three thousand, two hundred twenty-five".