10440450523 has 4 divisors (see below), whose sum is σ = 10486042240. Its totient is φ = 10394858808.

The previous prime is 10440450521. The next prime is 10440450571. The reversal of 10440450523 is 32505404401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32505404401 = 53 ⋅613309517.

It is a cyclic number.

It is not a de Polignac number, because 10440450523 - 2¹ = 10440450521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10440450491 and 10440450500.

It is not an unprimeable number, because it can be changed into a prime (10440450521) 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, 22795515 + ... + 22795972.

It is an arithmetic number, because the mean of its divisors is an integer number (2621510560).

Almost surely, 2^10440450523 is an apocalyptic number.

10440450523 is a deficient number, since it is larger than the sum of its proper divisors (45591717).

10440450523 is an equidigital number, since it uses as much as digits as its factorization.

10440450523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45591716.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 10440450523 its reverse (32505404401), we get a palindrome (42945854924).

The spelling of 10440450523 in words is "ten billion, four hundred forty million, four hundred fifty thousand, five hundred twenty-three".