1123230466 has 4 divisors (see below), whose sum is σ = 1684845702. Its totient is φ = 561615232.

The previous prime is 1123230457. The next prime is 1123230469. The reversal of 1123230466 is 6640323211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6640323211 = 1087 ⋅6108853.

It can be written as a sum of positive squares in only one way, i.e., 1120843441 + 2387025 = 33479^2 + 1545^2 .

It is not an unprimeable number, because it can be changed into a prime (1123230469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280807615 + ... + 280807618.

Almost surely, 2^1123230466 is an apocalyptic number.

1123230466 is a deficient number, since it is larger than the sum of its proper divisors (561615236).

1123230466 is an equidigital number, since it uses as much as digits as its factorization.

1123230466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561615235.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1123230466 is about 33514.6306260415. The cubic root of 1123230466 is about 1039.4963247716.

Adding to 1123230466 its reverse (6640323211), we get a palindrome (7763553677).

The spelling of 1123230466 in words is "one billion, one hundred twenty-three million, two hundred thirty thousand, four hundred sixty-six".