30140423434 has 32 divisors (see below), whose sum is σ = 51526679040. Its totient is φ = 13096776000.

The previous prime is 30140423431. The next prime is 30140423441. The reversal of 30140423434 is 43432404103.

It is not an unprimeable number, because it can be changed into a prime (30140423431) 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, 169434 + ... + 298309.

It is an arithmetic number, because the mean of its divisors is an integer number (1610208720).

Almost surely, 2^30140423434 is an apocalyptic number.

30140423434 is a deficient number, since it is larger than the sum of its proper divisors (21386255606).

30140423434 is a wasteful number, since it uses less digits than its factorization.

30140423434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467886.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 30140423434 its reverse (43432404103), we get a palindrome (73572827537).

The spelling of 30140423434 in words is "thirty billion, one hundred forty million, four hundred twenty-three thousand, four hundred thirty-four".