1123143341 has 4 divisors (see below), whose sum is σ = 1127414112. Its totient is φ = 1118872572.

The previous prime is 1123143317. The next prime is 1123143353. The reversal of 1123143341 is 1433413211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1433413211 = 9623 ⋅148957.

It is a cyclic number.

It is not a de Polignac number, because 1123143341 - 2¹⁴ = 1123126957 is a prime.

It is a super-2 number, since 2×1123143341² = 2522901928865284562, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123143841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2134991 + ... + 2135516.

It is an arithmetic number, because the mean of its divisors is an integer number (281853528).

Almost surely, 2^1123143341 is an apocalyptic number.

It is an amenable number.

1123143341 is a deficient number, since it is larger than the sum of its proper divisors (4270771).

1123143341 is an equidigital number, since it uses as much as digits as its factorization.

1123143341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4270770.

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

The square root of 1123143341 is about 33513.3307953716. The cubic root of 1123143341 is about 1039.4694473967.

Adding to 1123143341 its reverse (1433413211), we get a palindrome (2556556552).

The spelling of 1123143341 in words is "one billion, one hundred twenty-three million, one hundred forty-three thousand, three hundred forty-one".