10505104123 has 8 divisors (see below), whose sum is σ = 11213752320. Its totient is φ = 9812030760.

The previous prime is 10505104097. The next prime is 10505104147. The reversal of 10505104123 is 32140150501.

It is a happy number.

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 10505104123 - 2⁹ = 10505103611 is a prime.

It is a super-2 number, since 2×10505104123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10505104094 and 10505104103.

It is not an unprimeable number, because it can be changed into a prime (10505204123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3892315 + ... + 3895012.

It is an arithmetic number, because the mean of its divisors is an integer number (1401719040).

Almost surely, 2^10505104123 is an apocalyptic number.

10505104123 is a deficient number, since it is larger than the sum of its proper divisors (708648197).

10505104123 is an equidigital number, since it uses as much as digits as its factorization.

10505104123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7787417.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 10505104123 its reverse (32140150501), we get a palindrome (42645254624).

The spelling of 10505104123 in words is "ten billion, five hundred five million, one hundred four thousand, one hundred twenty-three".