30847423 has 2 divisors, whose sum is σ = 30847424. Its totient is φ = 30847422.

The previous prime is 30847417. The next prime is 30847429. The reversal of 30847423 is 32474803.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (30847417) and next prime (30847429).

It is an emirp because it is prime and its reverse (32474803) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30847423 is a prime.

It is equal to p_1907149 and since 30847423 and 1907149 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30847429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15423711 + 15423712.

It is an arithmetic number, because the mean of its divisors is an integer number (15423712).

Almost surely, 2^30847423 is an apocalyptic number.

30847423 is a deficient number, since it is larger than the sum of its proper divisors (1).

30847423 is an equidigital number, since it uses as much as digits as its factorization.

30847423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 30847423 is about 5554.0456425924. The cubic root of 30847423 is about 313.6218384189.

The spelling of 30847423 in words is "thirty million, eight hundred forty-seven thousand, four hundred twenty-three".