1123230536 has 16 divisors (see below), whose sum is σ = 2109570540. Its totient is φ = 560678400.

The previous prime is 1123230529. The next prime is 1123230541. The reversal of 1123230536 is 6350323211.

It can be written as a sum of positive squares in 2 ways, for example, as 1089660100 + 33570436 = 33010^2 + 5794^2 .

It is a super-4 number, since 4×1123230536⁴ (a number of 37 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112001 + ... + 121616.

Almost surely, 2^1123230536 is an apocalyptic number.

It is an amenable number.

1123230536 is a deficient number, since it is larger than the sum of its proper divisors (986340004).

1123230536 is a wasteful number, since it uses less digits than its factorization.

1123230536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234224 (or 234220 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 1123230536 is about 33514.6316703615. The cubic root of 1123230536 is about 1039.4963463655.

Adding to 1123230536 its reverse (6350323211), we get a palindrome (7473553747).

The spelling of 1123230536 in words is "one billion, one hundred twenty-three million, two hundred thirty thousand, five hundred thirty-six".