105000204423 has 8 divisors (see below), whose sum is σ = 140532594048. Its totient is φ = 69733975544.

The previous prime is 105000204391. The next prime is 105000204467. The reversal of 105000204423 is 324402000501.

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

It is a cyclic number.

It is not a de Polignac number, because 105000204423 - 2⁵ = 105000204391 is a prime.

It is a super-2 number, since 2×105000204423² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105000204423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105000204223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66539265 + ... + 66540842.

It is an arithmetic number, because the mean of its divisors is an integer number (17566574256).

Almost surely, 2^105000204423 is an apocalyptic number.

105000204423 is a deficient number, since it is larger than the sum of its proper divisors (35532389625).

105000204423 is a wasteful number, since it uses less digits than its factorization.

105000204423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133080373.

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 105000204423 its reverse (324402000501), we get a palindrome (429402204924).

The spelling of 105000204423 in words is "one hundred five billion, two hundred four thousand, four hundred twenty-three".