12673220323 has 2 divisors, whose sum is σ = 12673220324. Its totient is φ = 12673220322.

The previous prime is 12673220309. The next prime is 12673220341. The reversal of 12673220323 is 32302237621.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12673220323 - 2¹³ = 12673212131 is a prime.

It is a super-2 number, since 2×12673220323² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12673220383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6336610161 + 6336610162.

It is an arithmetic number, because the mean of its divisors is an integer number (6336610162).

Almost surely, 2^12673220323 is an apocalyptic number.

12673220323 is a deficient number, since it is larger than the sum of its proper divisors (1).

12673220323 is an equidigital number, since it uses as much as digits as its factorization.

12673220323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 31.

Adding to 12673220323 its reverse (32302237621), we get a palindrome (44975457944).

The spelling of 12673220323 in words is "twelve billion, six hundred seventy-three million, two hundred twenty thousand, three hundred twenty-three".