10303450523 has 4 divisors (see below), whose sum is σ = 10419219720. Its totient is φ = 10187681328.

The previous prime is 10303450489. The next prime is 10303450541. The reversal of 10303450523 is 32505430301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32505430301 = 2633 ⋅12345397.

It is a cyclic number.

It is not a de Polignac number, because 10303450523 - 2⁶ = 10303450459 is a prime.

It is a super-2 number, since 2×10303450523² (a number of 21 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10303450492 and 10303450501.

It is not an unprimeable number, because it can be changed into a prime (10303450583) 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, 57884465 + ... + 57884642.

It is an arithmetic number, because the mean of its divisors is an integer number (2604804930).

Almost surely, 2^10303450523 is an apocalyptic number.

10303450523 is a deficient number, since it is larger than the sum of its proper divisors (115769197).

10303450523 is an equidigital number, since it uses as much as digits as its factorization.

10303450523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115769196.

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 10303450523 its reverse (32505430301), we get a palindrome (42808880824).

The spelling of 10303450523 in words is "ten billion, three hundred three million, four hundred fifty thousand, five hundred twenty-three".