30423042071 has 2 divisors, whose sum is σ = 30423042072. Its totient is φ = 30423042070.

The previous prime is 30423042061. The next prime is 30423042109. The reversal of 30423042071 is 17024032403.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30423042071 - 2¹⁸ = 30422779927 is a prime.

It is a super-2 number, since 2×30423042071² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30423042071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30423042061) 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, 15211521035 + 15211521036.

It is an arithmetic number, because the mean of its divisors is an integer number (15211521036).

Almost surely, 2^30423042071 is an apocalyptic number.

30423042071 is a deficient number, since it is larger than the sum of its proper divisors (1).

30423042071 is an equidigital number, since it uses as much as digits as its factorization.

30423042071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 26.

Adding to 30423042071 its reverse (17024032403), we get a palindrome (47447074474).

The spelling of 30423042071 in words is "thirty billion, four hundred twenty-three million, forty-two thousand, seventy-one".