1123043522 has 8 divisors (see below), whose sum is σ = 1688457036. Its totient is φ = 560224512.

The previous prime is 1123043503. The next prime is 1123043549. The reversal of 1123043522 is 2253403211.

It can be written as a sum of positive squares in 2 ways, for example, as 847450321 + 275593201 = 29111^2 + 16601^2 .

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

It is a super-2 number, since 2×1123043522² = 2522453504612328968, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647543 + ... + 649274.

Almost surely, 2^1123043522 is an apocalyptic number.

1123043522 is a deficient number, since it is larger than the sum of its proper divisors (565413514).

1123043522 is a wasteful number, since it uses less digits than its factorization.

1123043522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297252.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1123043522 is about 33511.8415190810. The cubic root of 1123043522 is about 1039.4386523144.

Adding to 1123043522 its reverse (2253403211), we get a palindrome (3376446733).

The spelling of 1123043522 in words is "one billion, one hundred twenty-three million, forty-three thousand, five hundred twenty-two".