30123097 has 2 divisors, whose sum is σ = 30123098. Its totient is φ = 30123096.

The previous prime is 30123089. The next prime is 30123109. The reversal of 30123097 is 79032103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30074256 + 48841 = 5484^2 + 221^2 .

It is an emirp because it is prime and its reverse (79032103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30123097 - 2³ = 30123089 is a prime.

It is not a weakly prime, because it can be changed into another prime (30123007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15061548 + 15061549.

It is an arithmetic number, because the mean of its divisors is an integer number (15061549).

Almost surely, 2^30123097 is an apocalyptic number.

It is an amenable number.

30123097 is a deficient number, since it is larger than the sum of its proper divisors (1).

30123097 is an equidigital number, since it uses as much as digits as its factorization.

30123097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 30123097 is about 5488.4512387376. The cubic root of 30123097 is about 311.1476606389.

The spelling of 30123097 in words is "thirty million, one hundred twenty-three thousand, ninety-seven".