1123344113 has 2 divisors, whose sum is σ = 1123344114. Its totient is φ = 1123344112.

The previous prime is 1123344109. The next prime is 1123344121. The reversal of 1123344113 is 3114433211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 766625344 + 356718769 = 27688^2 + 18887^2 .

It is an emirp because it is prime and its reverse (3114433211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1123344113 - 2² = 1123344109 is a prime.

It is not a weakly prime, because it can be changed into another prime (1123344143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561672056 + 561672057.

It is an arithmetic number, because the mean of its divisors is an integer number (561672057).

Almost surely, 2^1123344113 is an apocalyptic number.

It is an amenable number.

1123344113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123344113 is an equidigital number, since it uses as much as digits as its factorization.

1123344113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

The square root of 1123344113 is about 33516.3260665605. The cubic root of 1123344113 is about 1039.5313818854.

Adding to 1123344113 its reverse (3114433211), we get a palindrome (4237777324).

The spelling of 1123344113 in words is "one billion, one hundred twenty-three million, three hundred forty-four thousand, one hundred thirteen".