30853287823 has 2 divisors, whose sum is σ = 30853287824. Its totient is φ = 30853287822.

The previous prime is 30853287821. The next prime is 30853287859. The reversal of 30853287823 is 32878235803.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30853287823 - 2¹ = 30853287821 is a prime.

Together with 30853287821, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30853287821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15426643911 + 15426643912.

It is an arithmetic number, because the mean of its divisors is an integer number (15426643912).

Almost surely, 2^30853287823 is an apocalyptic number.

30853287823 is a deficient number, since it is larger than the sum of its proper divisors (1).

30853287823 is an equidigital number, since it uses as much as digits as its factorization.

30853287823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 30853287823 in words is "thirty billion, eight hundred fifty-three million, two hundred eighty-seven thousand, eight hundred twenty-three".