30166919423 has 4 divisors (see below), whose sum is σ = 31140045888. Its totient is φ = 29193792960.

The previous prime is 30166919417. The next prime is 30166919483. The reversal of 30166919423 is 32491966103.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30166919423 - 2⁶ = 30166919359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30166919413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486563186 + ... + 486563247.

It is an arithmetic number, because the mean of its divisors is an integer number (7785011472).

Almost surely, 2^30166919423 is an apocalyptic number.

30166919423 is a deficient number, since it is larger than the sum of its proper divisors (973126465).

30166919423 is an equidigital number, since it uses as much as digits as its factorization.

30166919423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973126464.

The product of its (nonzero) digits is 209952, while the sum is 44.

The spelling of 30166919423 in words is "thirty billion, one hundred sixty-six million, nine hundred nineteen thousand, four hundred twenty-three".