30423242505 has 32 divisors (see below), whose sum is σ = 49920329088. Its totient is φ = 15812236800.

The previous prime is 30423242459. The next prime is 30423242539. The reversal of 30423242505 is 50524232403.

It is not a de Polignac number, because 30423242505 - 2¹¹ = 30423240457 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 530535 + ... + 585075.

It is an arithmetic number, because the mean of its divisors is an integer number (1560010284).

Almost surely, 2^30423242505 is an apocalyptic number.

It is an amenable number.

30423242505 is a deficient number, since it is larger than the sum of its proper divisors (19497086583).

30423242505 is a wasteful number, since it uses less digits than its factorization.

30423242505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55497.

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 30423242505 its reverse (50524232403), we get a palindrome (80947474908).

The spelling of 30423242505 in words is "thirty billion, four hundred twenty-three million, two hundred forty-two thousand, five hundred five".