1223546234 has 8 divisors (see below), whose sum is σ = 1869948180. Its totient is φ = 600230176.

The previous prime is 1223546227. The next prime is 1223546239. The reversal of 1223546234 is 4326453221.

It can be written as a sum of positive squares in 2 ways, for example, as 1221153025 + 2393209 = 34945^2 + 1547^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1223546234.

It is not an unprimeable number, because it can be changed into a prime (1223546239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5771339 + ... + 5771550.

Almost surely, 2^1223546234 is an apocalyptic number.

1223546234 is a deficient number, since it is larger than the sum of its proper divisors (646401946).

1223546234 is a wasteful number, since it uses less digits than its factorization.

1223546234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11542944.

The product of its digits is 34560, while the sum is 32.

The square root of 1223546234 is about 34979.2257490071. The cubic root of 1223546234 is about 1069.5640446035.

Adding to 1223546234 its reverse (4326453221), we get a palindrome (5549999455).

The spelling of 1223546234 in words is "one billion, two hundred twenty-three million, five hundred forty-six thousand, two hundred thirty-four".