1223033230313 has 4 divisors (see below), whose sum is σ = 1223047919700. Its totient is φ = 1223018540928.

The previous prime is 1223033230301. The next prime is 1223033230357. The reversal of 1223033230313 is 3130323303221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 801368716864 + 421664513449 = 895192^2 + 649357^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1223033230313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223033233313) 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, 7219088 + ... + 7386561.

It is an arithmetic number, because the mean of its divisors is an integer number (305761979925).

Almost surely, 2^{1223033230313} is an apocalyptic number.

It is an amenable number.

1223033230313 is a deficient number, since it is larger than the sum of its proper divisors (14689387).

1223033230313 is an equidigital number, since it uses as much as digits as its factorization.

1223033230313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14689386.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 1223033230313 its reverse (3130323303221), we get a palindrome (4353356533534).

The spelling of 1223033230313 in words is "one trillion, two hundred twenty-three billion, thirty-three million, two hundred thirty thousand, three hundred thirteen".