30323243273 has 2 divisors, whose sum is σ = 30323243274. Its totient is φ = 30323243272.

The previous prime is 30323243239. The next prime is 30323243389. The reversal of 30323243273 is 37234232303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29582968009 + 740275264 = 171997^2 + 27208^2 .

It is a cyclic number.

It is not a de Polignac number, because 30323243273 - 2²⁶ = 30256134409 is a prime.

It is not a weakly prime, because it can be changed into another prime (30323243473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15161621636 + 15161621637.

It is an arithmetic number, because the mean of its divisors is an integer number (15161621637).

Almost surely, 2^30323243273 is an apocalyptic number.

It is an amenable number.

30323243273 is a deficient number, since it is larger than the sum of its proper divisors (1).

30323243273 is an equidigital number, since it uses as much as digits as its factorization.

30323243273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 32.

Adding to 30323243273 its reverse (37234232303), we get a palindrome (67557475576).

The spelling of 30323243273 in words is "thirty billion, three hundred twenty-three million, two hundred forty-three thousand, two hundred seventy-three".