1123333889 has 4 divisors (see below), whose sum is σ = 1127389524. Its totient is φ = 1119278256.

The previous prime is 1123333873. The next prime is 1123333927. The reversal of 1123333889 is 9883333211.

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 739840000 + 383493889 = 27200^2 + 19583^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123333889 - 2⁴ = 1123333873 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1123333819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2027402 + ... + 2027955.

It is an arithmetic number, because the mean of its divisors is an integer number (281847381).

Almost surely, 2^1123333889 is an apocalyptic number.

It is an amenable number.

1123333889 is a deficient number, since it is larger than the sum of its proper divisors (4055635).

1123333889 is an equidigital number, since it uses as much as digits as its factorization.

1123333889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4055634.

The product of its digits is 93312, while the sum is 41.

The square root of 1123333889 is about 33516.1735435297. The cubic root of 1123333889 is about 1039.5282281468.

The spelling of 1123333889 in words is "one billion, one hundred twenty-three million, three hundred thirty-three thousand, eight hundred eighty-nine".