11340244123 has 4 divisors (see below), whose sum is σ = 12212570608. Its totient is φ = 10467917640.

The previous prime is 11340244121. The next prime is 11340244141. The reversal of 11340244123 is 32144204311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11340244123 - 2¹ = 11340244121 is a prime.

It is a super-2 number, since 2×11340244123² (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 (11340244121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436163223 + ... + 436163248.

It is an arithmetic number, because the mean of its divisors is an integer number (3053142652).

Almost surely, 2^11340244123 is an apocalyptic number.

11340244123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11340244123 is a deficient number, since it is larger than the sum of its proper divisors (872326485).

11340244123 is an equidigital number, since it uses as much as digits as its factorization.

11340244123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872326484.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 11340244123 its reverse (32144204311), we get a palindrome (43484448434).

The spelling of 11340244123 in words is "eleven billion, three hundred forty million, two hundred forty-four thousand, one hundred twenty-three".