30223051897 has 2 divisors, whose sum is σ = 30223051898. Its totient is φ = 30223051896.

The previous prime is 30223051891. The next prime is 30223051907. The reversal of 30223051897 is 79815032203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27152118841 + 3070933056 = 164779^2 + 55416^2 .

It is a cyclic number.

It is not a de Polignac number, because 30223051897 - 2¹⁵ = 30223019129 is a prime.

It is not a weakly prime, because it can be changed into another prime (30223051891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15111525948 + 15111525949.

It is an arithmetic number, because the mean of its divisors is an integer number (15111525949).

Almost surely, 2^30223051897 is an apocalyptic number.

It is an amenable number.

30223051897 is a deficient number, since it is larger than the sum of its proper divisors (1).

30223051897 is an equidigital number, since it uses as much as digits as its factorization.

30223051897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 30223051897 in words is "thirty billion, two hundred twenty-three million, fifty-one thousand, eight hundred ninety-seven".