105304545423 has 128 divisors (see below), whose sum is σ = 197885952000. Its totient is φ = 53760309120.

The previous prime is 105304545413. The next prime is 105304545433. The reversal of 105304545423 is 324545403501.

105304545423 is a `hidden beast` number, since 1 + 0 + 530 + 4 + 54 + 54 + 23 = 666.

It is an interprime number because it is at equal distance from previous prime (105304545413) and next prime (105304545433).

It is not a de Polignac number, because 105304545423 - 2⁴ = 105304545407 is a prime.

It is a super-2 number, since 2×105304545423² (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 (105304545413) 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 127 ways as a sum of consecutive naturals, for example, 28777768 + ... + 28781426.

It is an arithmetic number, because the mean of its divisors is an integer number (1545984000).

Almost surely, 2^105304545423 is an apocalyptic number.

105304545423 is a deficient number, since it is larger than the sum of its proper divisors (92581406577).

105304545423 is a wasteful number, since it uses less digits than its factorization.

105304545423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3922 (or 3916 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 105304545423 its reverse (324545403501), we get a palindrome (429849948924).

The spelling of 105304545423 in words is "one hundred five billion, three hundred four million, five hundred forty-five thousand, four hundred twenty-three".