1123301311 has 4 divisors (see below), whose sum is σ = 1225419624. Its totient is φ = 1021183000.

The previous prime is 1123301303. The next prime is 1123301321. The reversal of 1123301311 is 1131033211.

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 1123301311 - 2³ = 1123301303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123301321) 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, 51059140 + ... + 51059161.

It is an arithmetic number, because the mean of its divisors is an integer number (306354906).

Almost surely, 2^1123301311 is an apocalyptic number.

1123301311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1123301311 is a deficient number, since it is larger than the sum of its proper divisors (102118313).

1123301311 is a wasteful number, since it uses less digits than its factorization.

1123301311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102118312.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1123301311 is about 33515.6875358391. The cubic root of 1123301311 is about 1039.5181788705.

Adding to 1123301311 its reverse (1131033211), we get a palindrome (2254334522).

The spelling of 1123301311 in words is "one billion, one hundred twenty-three million, three hundred one thousand, three hundred eleven".