10818523 has 4 divisors (see below), whose sum is σ = 10825128. Its totient is φ = 10811920.

The previous prime is 10818517. The next prime is 10818529. The reversal of 10818523 is 32581801.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 32581801 = 7 ⋅4654543.

It is an interprime number because it is at equal distance from previous prime (10818517) and next prime (10818529).

It is a cyclic number.

It is not a de Polignac number, because 10818523 - 2¹⁷ = 10687451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10818491 and 10818500.

It is not an unprimeable number, because it can be changed into a prime (10818529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1215 + ... + 4807.

It is an arithmetic number, because the mean of its divisors is an integer number (2706282).

Almost surely, 2^10818523 is an apocalyptic number.

10818523 is a deficient number, since it is larger than the sum of its proper divisors (6605).

10818523 is an equidigital number, since it uses as much as digits as its factorization.

10818523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6604.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 10818523 is about 3289.1523224077. The cubic root of 10818523 is about 221.1681868450.

It can be divided in two parts, 1081 and 8523, that added together give a square (9604 = 98²).

The spelling of 10818523 in words is "ten million, eight hundred eighteen thousand, five hundred twenty-three".