30207445923 has 16 divisors (see below), whose sum is σ = 40854652416. Its totient is φ = 19851026400.

The previous prime is 30207445921. The next prime is 30207445981. The reversal of 30207445923 is 32954470203.

It is not a de Polignac number, because 30207445923 - 2¹ = 30207445921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30207445921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150811 + ... + 288372.

It is an arithmetic number, because the mean of its divisors is an integer number (2553415776).

Almost surely, 2^30207445923 is an apocalyptic number.

30207445923 is a deficient number, since it is larger than the sum of its proper divisors (10647206493).

30207445923 is a wasteful number, since it uses less digits than its factorization.

30207445923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439514.

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 30207445923 in words is "thirty billion, two hundred seven million, four hundred forty-five thousand, nine hundred twenty-three".