30069923 has 16 divisors (see below), whose sum is σ = 34646976. Its totient is φ = 25850880.

The previous prime is 30069911. The next prime is 30069929. The reversal of 30069923 is 32996003.

It is a de Polignac number, because none of the positive numbers 2^k-30069923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30069923.

It is not an unprimeable number, because it can be changed into a prime (30069929) 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, 22103 + ... + 23423.

It is an arithmetic number, because the mean of its divisors is an integer number (2165436).

Almost surely, 2^30069923 is an apocalyptic number.

30069923 is a deficient number, since it is larger than the sum of its proper divisors (4577053).

30069923 is a wasteful number, since it uses less digits than its factorization.

30069923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 30069923 is about 5483.6049274177. The cubic root of 30069923 is about 310.9644710811.

The spelling of 30069923 in words is "thirty million, sixty-nine thousand, nine hundred twenty-three".