1223013332309 has 4 divisors (see below), whose sum is σ = 1234233638220. Its totient is φ = 1211793026400.

The previous prime is 1223013332263. The next prime is 1223013332339. The reversal of 1223013332309 is 9032333103221.

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 471405828100 + 751607504209 = 686590^2 + 866953^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223013332309 - 2²⁸ = 1222744896853 is a prime.

It is a super-2 number, since 2×1223013332309² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223013332339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5610152792 + ... + 5610153009.

It is an arithmetic number, because the mean of its divisors is an integer number (308558409555).

Almost surely, 2^{1223013332309} is an apocalyptic number.

It is an amenable number.

1223013332309 is a deficient number, since it is larger than the sum of its proper divisors (11220305911).

1223013332309 is a wasteful number, since it uses less digits than its factorization.

1223013332309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11220305910.

The product of its (nonzero) digits is 17496, while the sum is 32.

The spelling of 1223013332309 in words is "one trillion, two hundred twenty-three billion, thirteen million, three hundred thirty-two thousand, three hundred nine".