105081423 has 4 divisors (see below), whose sum is σ = 140108568. Its totient is φ = 70054280.

The previous prime is 105081409. The next prime is 105081439. The reversal of 105081423 is 324180501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324180501 = 3 ⋅108060167.

It is a cyclic number.

It is not a de Polignac number, because 105081423 - 2⁴ = 105081407 is a prime.

It is a super-2 number, since 2×105081423² = 22084210919409858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105081393 and 105081402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105081623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17513568 + ... + 17513573.

It is an arithmetic number, because the mean of its divisors is an integer number (35027142).

Almost surely, 2^105081423 is an apocalyptic number.

105081423 is a deficient number, since it is larger than the sum of its proper divisors (35027145).

105081423 is an equidigital number, since it uses as much as digits as its factorization.

105081423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35027144.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 105081423 is about 10250.9230316104. The cubic root of 105081423 is about 471.8913121738.

The spelling of 105081423 in words is "one hundred five million, eighty-one thousand, four hundred twenty-three".