30330219923 has 2 divisors, whose sum is σ = 30330219924. Its totient is φ = 30330219922.

The previous prime is 30330219889. The next prime is 30330220009. The reversal of 30330219923 is 32991203303.

It is a weak prime.

It is an emirp because it is prime and its reverse (32991203303) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30330219923 - 2³⁴ = 13150350739 is a prime.

It is a super-2 number, since 2×30330219923² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30330219223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15165109961 + 15165109962.

It is an arithmetic number, because the mean of its divisors is an integer number (15165109962).

Almost surely, 2^30330219923 is an apocalyptic number.

30330219923 is a deficient number, since it is larger than the sum of its proper divisors (1).

30330219923 is an equidigital number, since it uses as much as digits as its factorization.

30330219923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 35.

The spelling of 30330219923 in words is "thirty billion, three hundred thirty million, two hundred nineteen thousand, nine hundred twenty-three".