1123345411 has 2 divisors, whose sum is σ = 1123345412. Its totient is φ = 1123345410.

The previous prime is 1123345409. The next prime is 1123345453. The reversal of 1123345411 is 1145433211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1123345411 - 2¹ = 1123345409 is a prime.

Together with 1123345409, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1123343411) 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 as a sum of consecutive naturals, namely, 561672705 + 561672706.

It is an arithmetic number, because the mean of its divisors is an integer number (561672706).

Almost surely, 2^1123345411 is an apocalyptic number.

1123345411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123345411 is an equidigital number, since it uses as much as digits as its factorization.

1123345411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 25.

The square root of 1123345411 is about 33516.3454302524. The cubic root of 1123345411 is about 1039.5317822706.

Adding to 1123345411 its reverse (1145433211), we get a palindrome (2268778622).

It can be divided in two parts, 11233 and 45411, that added together give a square (56644 = 238²).

The spelling of 1123345411 in words is "one billion, one hundred twenty-three million, three hundred forty-five thousand, four hundred eleven".