105423405266 has 8 divisors (see below), whose sum is σ = 158283039180. Its totient is φ = 52662392208.

The previous prime is 105423405239. The next prime is 105423405271. The reversal of 105423405266 is 662504324501.

It can be written as a sum of positive squares in 2 ways, for example, as 94969365241 + 10454040025 = 308171^2 + 102245^2 .

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

It is a super-2 number, since 2×105423405266² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24652541 + ... + 24656816.

Almost surely, 2^105423405266 is an apocalyptic number.

105423405266 is a deficient number, since it is larger than the sum of its proper divisors (52859633914).

105423405266 is a wasteful number, since it uses less digits than its factorization.

105423405266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49310428.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 105423405266 its reverse (662504324501), we get a palindrome (767927729767).

The spelling of 105423405266 in words is "one hundred five billion, four hundred twenty-three million, four hundred five thousand, two hundred sixty-six".