11323013 has 4 divisors (see below), whose sum is σ = 12194028. Its totient is φ = 10452000.

The previous prime is 11323007. The next prime is 11323019. The reversal of 11323013 is 31032311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31032311 = 499 ⋅62189.

It is an interprime number because it is at equal distance from previous prime (11323007) and next prime (11323019).

It can be written as a sum of positive squares in 2 ways, for example, as 6385729 + 4937284 = 2527^2 + 2222^2 .

It is not a de Polignac number, because 11323013 - 2⁸ = 11322757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435488 + ... + 435513.

It is an arithmetic number, because the mean of its divisors is an integer number (3048507).

Almost surely, 2^11323013 is an apocalyptic number.

11323013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11323013 is a deficient number, since it is larger than the sum of its proper divisors (871015).

11323013 is an equidigital number, since it uses as much as digits as its factorization.

11323013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871014.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 11323013 is about 3364.9684991096. The cubic root of 11323013 is about 224.5539343600.

Adding to 11323013 its reverse (31032311), we get a palindrome (42355324).

The spelling of 11323013 in words is "eleven million, three hundred twenty-three thousand, thirteen".