1123304043 has 8 divisors (see below), whose sum is σ = 1505581056. Its totient is φ = 744948200.

The previous prime is 1123304041. The next prime is 1123304059. The reversal of 1123304043 is 3404033211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1123304043 - 2¹ = 1123304041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1123304041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 979623 + ... + 980768.

It is an arithmetic number, because the mean of its divisors is an integer number (188197632).

Almost surely, 2^1123304043 is an apocalyptic number.

1123304043 is a deficient number, since it is larger than the sum of its proper divisors (382277013).

1123304043 is a wasteful number, since it uses less digits than its factorization.

1123304043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960585.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1123304043 is about 33515.7282928478. The cubic root of 1123304043 is about 1039.5190216130.

Adding to 1123304043 its reverse (3404033211), we get a palindrome (4527337254).

The spelling of 1123304043 in words is "one billion, one hundred twenty-three million, three hundred four thousand, forty-three".