1123330043 has 16 divisors (see below), whose sum is σ = 1266388992. Its totient is φ = 987168000.

The previous prime is 1123330037. The next prime is 1123330049. The reversal of 1123330043 is 3400333211.

It is an interprime number because it is at equal distance from previous prime (1123330037) and next prime (1123330049).

It is a cyclic number.

It is not a de Polignac number, because 1123330043 - 2¹² = 1123325947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1123329997 and 1123330024.

It is not an unprimeable number, because it can be changed into a prime (1123330049) 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 15 ways as a sum of consecutive naturals, for example, 538763 + ... + 540843.

It is an arithmetic number, because the mean of its divisors is an integer number (79149312).

Almost surely, 2^1123330043 is an apocalyptic number.

1123330043 is a deficient number, since it is larger than the sum of its proper divisors (143058949).

1123330043 is a wasteful number, since it uses less digits than its factorization.

1123330043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3706.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1123330043 is about 33516.1161681959. The cubic root of 1123330043 is about 1039.5270417883.

Adding to 1123330043 its reverse (3400333211), we get a palindrome (4523663254).

The spelling of 1123330043 in words is "one billion, one hundred twenty-three million, three hundred thirty thousand, forty-three".