1123410043 has 4 divisors (see below), whose sum is σ = 1283897200. Its totient is φ = 962922888.

The previous prime is 1123409993. The next prime is 1123410049. The reversal of 1123410043 is 3400143211.

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 1123410043 - 2¹⁷ = 1123278971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1123410043.

It is not an unprimeable number, because it can be changed into a prime (1123410049) 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, 80243568 + ... + 80243581.

It is an arithmetic number, because the mean of its divisors is an integer number (320974300).

Almost surely, 2^1123410043 is an apocalyptic number.

1123410043 is a deficient number, since it is larger than the sum of its proper divisors (160487157).

1123410043 is an equidigital number, since it uses as much as digits as its factorization.

1123410043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160487156.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1123410043 is about 33517.3096026516. The cubic root of 1123410043 is about 1039.5517184746.

Adding to 1123410043 its reverse (3400143211), we get a palindrome (4523553254).

The spelling of 1123410043 in words is "one billion, one hundred twenty-three million, four hundred ten thousand, forty-three".