10440220040123 has 4 divisors (see below), whose sum is σ = 10485027851688. Its totient is φ = 10395412228560.

The previous prime is 10440220040087. The next prime is 10440220040171. The reversal of 10440220040123 is 32104002204401.

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 10440220040123 - 2¹⁰ = 10440220039099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10440220040323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22403905433 + ... + 22403905898.

It is an arithmetic number, because the mean of its divisors is an integer number (2621256962922).

Almost surely, 2^{10440220040123} is an apocalyptic number.

10440220040123 is a deficient number, since it is larger than the sum of its proper divisors (44807811565).

10440220040123 is an equidigital number, since it uses as much as digits as its factorization.

10440220040123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44807811564.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 10440220040123 its reverse (32104002204401), we get a palindrome (42544222244524).

The spelling of 10440220040123 in words is "ten trillion, four hundred forty billion, two hundred twenty million, forty thousand, one hundred twenty-three".