30315023 has 2 divisors, whose sum is σ = 30315024. Its totient is φ = 30315022.

The previous prime is 30315017. The next prime is 30315059. The reversal of 30315023 is 32051303.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30315023 - 2⁴ = 30315007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30314992 and 30315010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30315823) 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, 15157511 + 15157512.

It is an arithmetic number, because the mean of its divisors is an integer number (15157512).

Almost surely, 2^30315023 is an apocalyptic number.

30315023 is a deficient number, since it is larger than the sum of its proper divisors (1).

30315023 is an equidigital number, since it uses as much as digits as its factorization.

30315023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 30315023 is about 5505.9080086758. The cubic root of 30315023 is about 311.8070765182.

Adding to 30315023 its reverse (32051303), we get a palindrome (62366326).

The spelling of 30315023 in words is "thirty million, three hundred fifteen thousand, twenty-three".