105340403 has 4 divisors (see below), whose sum is σ = 120389040. Its totient is φ = 90291768.

The previous prime is 105340399. The next prime is 105340409. The reversal of 105340403 is 304043501.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 105340403 - 2² = 105340399 is a prime.

It is a super-2 number, since 2×105340403² = 22193201008404818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105340409) 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 3 ways as a sum of consecutive naturals, for example, 7524308 + ... + 7524321.

It is an arithmetic number, because the mean of its divisors is an integer number (30097260).

Almost surely, 2^105340403 is an apocalyptic number.

105340403 is a deficient number, since it is larger than the sum of its proper divisors (15048637).

105340403 is an equidigital number, since it uses as much as digits as its factorization.

105340403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15048636.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 105340403 is about 10263.5472912634. The cubic root of 105340403 is about 472.2786630721.

Adding to 105340403 its reverse (304043501), we get a palindrome (409383904).

The spelling of 105340403 in words is "one hundred five million, three hundred forty thousand, four hundred three".