105423827271 has 32 divisors (see below), whose sum is σ = 164773977600. Its totient is φ = 59929938432.

The previous prime is 105423827269. The next prime is 105423827279. The reversal of 105423827271 is 172728324501.

It is a happy number.

It is not a de Polignac number, because 105423827271 - 2¹ = 105423827269 is a prime.

It is a super-2 number, since 2×105423827271² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105423827279) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66825 + ... + 464018.

It is an arithmetic number, because the mean of its divisors is an integer number (5149186800).

Almost surely, 2^105423827271 is an apocalyptic number.

105423827271 is a deficient number, since it is larger than the sum of its proper divisors (59350150329).

105423827271 is an equidigital number, since it uses as much as digits as its factorization.

105423827271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531060 (or 531046 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The spelling of 105423827271 in words is "one hundred five billion, four hundred twenty-three million, eight hundred twenty-seven thousand, two hundred seventy-one".