10040505133123 has 4 divisors (see below), whose sum is σ = 10190363418760. Its totient is φ = 9890646847488.

The previous prime is 10040505133093. The next prime is 10040505133133. The reversal of 10040505133123 is 32133150504001.

It is a happy number.

10040505133123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10040505133123 - 2⁵ = 10040505133091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10040505133091 and 10040505133100.

It is not an unprimeable number, because it can be changed into a prime (10040505133133) 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, 74929142718 + ... + 74929142851.

It is an arithmetic number, because the mean of its divisors is an integer number (2547590854690).

Almost surely, 2^{10040505133123} is an apocalyptic number.

10040505133123 is a deficient number, since it is larger than the sum of its proper divisors (149858285637).

10040505133123 is an equidigital number, since it uses as much as digits as its factorization.

10040505133123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149858285636.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 10040505133123 its reverse (32133150504001), we get a palindrome (42173655637124).

The spelling of 10040505133123 in words is "ten trillion, forty billion, five hundred five million, one hundred thirty-three thousand, one hundred twenty-three".