11142323244 has 144 divisors (see below), whose sum is σ = 30922426080. Its totient is φ = 3362135040.

The previous prime is 11142323239. The next prime is 11142323249. The reversal of 11142323244 is 44232324111.

11142323244 is a `hidden beast` number, since 1 + 1 + 1 + 423 + 232 + 4 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (11142323239) and next prime (11142323249).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (11142323249) 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 47 ways as a sum of consecutive naturals, for example, 8434104 + ... + 8435424.

It is an arithmetic number, because the mean of its divisors is an integer number (214739070).

Almost surely, 2^11142323244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11142323244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15461213040).

11142323244 is an abundant number, since it is smaller than the sum of its proper divisors (19780102836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11142323244 is a wasteful number, since it uses less digits than its factorization.

11142323244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680 (or 1675 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 11142323244 its reverse (44232324111), we get a palindrome (55374647355).

The spelling of 11142323244 in words is "eleven billion, one hundred forty-two million, three hundred twenty-three thousand, two hundred forty-four".