1223000310073 has 2 divisors, whose sum is σ = 1223000310074. Its totient is φ = 1223000310072.

The previous prime is 1223000310067. The next prime is 1223000310083. The reversal of 1223000310073 is 3700130003221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 898319153209 + 324681156864 = 947797^2 + 569808^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1223000310073 is a prime.

It is not a weakly prime, because it can be changed into another prime (1223000310023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611500155036 + 611500155037.

It is an arithmetic number, because the mean of its divisors is an integer number (611500155037).

Almost surely, 2^{1223000310073} is an apocalyptic number.

It is an amenable number.

1223000310073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223000310073 is an equidigital number, since it uses as much as digits as its factorization.

1223000310073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 22.

Adding to 1223000310073 its reverse (3700130003221), we get a palindrome (4923130313294).

The spelling of 1223000310073 in words is "one trillion, two hundred twenty-three billion, three hundred ten thousand, seventy-three".