30085770823 has 2 divisors, whose sum is σ = 30085770824. Its totient is φ = 30085770822.

The previous prime is 30085770811. The next prime is 30085770829. The reversal of 30085770823 is 32807758003.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30085770823 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30085770823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30085770829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15042885411 + 15042885412.

It is an arithmetic number, because the mean of its divisors is an integer number (15042885412).

Almost surely, 2^30085770823 is an apocalyptic number.

30085770823 is a deficient number, since it is larger than the sum of its proper divisors (1).

30085770823 is an equidigital number, since it uses as much as digits as its factorization.

30085770823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 30085770823 in words is "thirty billion, eighty-five million, seven hundred seventy thousand, eight hundred twenty-three".