11324012243 has 4 divisors (see below), whose sum is σ = 11324527368. Its totient is φ = 11323497120.

The previous prime is 11324012237. The next prime is 11324012251. The reversal of 11324012243 is 34221042311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34221042311 = 139 ⋅246194549.

It is a cyclic number.

It is not a de Polignac number, because 11324012243 - 2⁸ = 11324011987 is a prime.

It is a super-2 number, since 2×11324012243² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11324012543) 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, 223046 + ... + 269067.

It is an arithmetic number, because the mean of its divisors is an integer number (2831131842).

Almost surely, 2^11324012243 is an apocalyptic number.

11324012243 is a deficient number, since it is larger than the sum of its proper divisors (515125).

11324012243 is an equidigital number, since it uses as much as digits as its factorization.

11324012243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515124.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 11324012243 its reverse (34221042311), we get a palindrome (45545054554).

The spelling of 11324012243 in words is "eleven billion, three hundred twenty-four million, twelve thousand, two hundred forty-three".