30115030823 has 2 divisors, whose sum is σ = 30115030824. Its totient is φ = 30115030822.

The previous prime is 30115030819. The next prime is 30115030853. The reversal of 30115030823 is 32803051103.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30115030823 - 2² = 30115030819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30115030792 and 30115030801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30115030853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15057515411 + 15057515412.

It is an arithmetic number, because the mean of its divisors is an integer number (15057515412).

Almost surely, 2^30115030823 is an apocalyptic number.

30115030823 is a deficient number, since it is larger than the sum of its proper divisors (1).

30115030823 is an equidigital number, since it uses as much as digits as its factorization.

30115030823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 30115030823 its reverse (32803051103), we get a palindrome (62918081926).

The spelling of 30115030823 in words is "thirty billion, one hundred fifteen million, thirty thousand, eight hundred twenty-three".