1123213337 has 4 divisors (see below), whose sum is σ = 1125230436. Its totient is φ = 1121196240.

The previous prime is 1123213319. The next prime is 1123213361. The reversal of 1123213337 is 7333123211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 435515161 + 687698176 = 20869^2 + 26224^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123213337 - 2¹⁰ = 1123212313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123213237) 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 3 ways as a sum of consecutive naturals, for example, 1007714 + ... + 1008827.

It is an arithmetic number, because the mean of its divisors is an integer number (281307609).

Almost surely, 2^1123213337 is an apocalyptic number.

It is an amenable number.

1123213337 is a deficient number, since it is larger than the sum of its proper divisors (2017099).

1123213337 is an equidigital number, since it uses as much as digits as its factorization.

1123213337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017098.

The product of its digits is 2268, while the sum is 26.

The square root of 1123213337 is about 33514.3750799564. The cubic root of 1123213337 is about 1039.4910407201.

Adding to 1123213337 its reverse (7333123211), we get a palindrome (8456336548).

The spelling of 1123213337 in words is "one billion, one hundred twenty-three million, two hundred thirteen thousand, three hundred thirty-seven".