30233330173 has 2 divisors, whose sum is σ = 30233330174. Its totient is φ = 30233330172.

The previous prime is 30233330161. The next prime is 30233330189. The reversal of 30233330173 is 37103333203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28265343129 + 1967987044 = 168123^2 + 44362^2 .

It is an emirp because it is prime and its reverse (37103333203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30233330173 - 2²⁵ = 30199775741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30233330273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15116665086 + 15116665087.

It is an arithmetic number, because the mean of its divisors is an integer number (15116665087).

Almost surely, 2^30233330173 is an apocalyptic number.

It is an amenable number.

30233330173 is a deficient number, since it is larger than the sum of its proper divisors (1).

30233330173 is an equidigital number, since it uses as much as digits as its factorization.

30233330173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 28.

Adding to 30233330173 its reverse (37103333203), we get a palindrome (67336663376).

The spelling of 30233330173 in words is "thirty billion, two hundred thirty-three million, three hundred thirty thousand, one hundred seventy-three".