105311423 has 8 divisors (see below), whose sum is σ = 121525248. Its totient is φ = 89389944.

The previous prime is 105311417. The next prime is 105311431. The reversal of 105311423 is 324113501.

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

It is not a de Polignac number, because 105311423 - 2⁴ = 105311407 is a prime.

It is a super-2 number, since 2×105311423² = 22180991628569858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105311395 and 105311404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105311473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72311 + ... + 73752.

It is an arithmetic number, because the mean of its divisors is an integer number (15190656).

Almost surely, 2^105311423 is an apocalyptic number.

105311423 is a deficient number, since it is larger than the sum of its proper divisors (16213825).

105311423 is a wasteful number, since it uses less digits than its factorization.

105311423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146173.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 105311423 is about 10262.1354015624. The cubic root of 105311423 is about 472.2353498686.

Adding to 105311423 its reverse (324113501), we get a palindrome (429424924).

The spelling of 105311423 in words is "one hundred five million, three hundred eleven thousand, four hundred twenty-three".