1230030073 has 2 divisors, whose sum is σ = 1230030074. Its totient is φ = 1230030072.

The previous prime is 1230030001. The next prime is 1230030077. The reversal of 1230030073 is 3700300321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1080897129 + 149132944 = 32877^2 + 12212^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230030073 - 2²¹ = 1227932921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1230030073.

It is not a weakly prime, because it can be changed into another prime (1230030077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615015036 + 615015037.

It is an arithmetic number, because the mean of its divisors is an integer number (615015037).

Almost surely, 2^1230030073 is an apocalyptic number.

It is an amenable number.

1230030073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230030073 is an equidigital number, since it uses as much as digits as its factorization.

1230030073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 19.

The square root of 1230030073 is about 35071.7845710765. The cubic root of 1230030073 is about 1071.4500017208.

Adding to 1230030073 its reverse (3700300321), we get a palindrome (4930330394).

The spelling of 1230030073 in words is "one billion, two hundred thirty million, thirty thousand, seventy-three".