1230322073 has 2 divisors, whose sum is σ = 1230322074. Its totient is φ = 1230322072.

The previous prime is 1230322043. The next prime is 1230322081. The reversal of 1230322073 is 3702230321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1200761104 + 29560969 = 34652^2 + 5437^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230322073 - 2²⁰ = 1229273497 is a prime.

It is a super-2 number, since 2×1230322073² = 3027384806622034658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1230322033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615161036 + 615161037.

It is an arithmetic number, because the mean of its divisors is an integer number (615161037).

Almost surely, 2^1230322073 is an apocalyptic number.

It is an amenable number.

1230322073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230322073 is an equidigital number, since it uses as much as digits as its factorization.

1230322073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 1230322073 is about 35075.9472145800. The cubic root of 1230322073 is about 1071.5347797690.

Adding to 1230322073 its reverse (3702230321), we get a palindrome (4932552394).

The spelling of 1230322073 in words is "one billion, two hundred thirty million, three hundred twenty-two thousand, seventy-three".