9923434505 has 16 divisors (see below), whose sum is σ = 12125568000. Its totient is φ = 7794895680.

The previous prime is 9923434471. The next prime is 9923434511. The reversal of 9923434505 is 5054343299.

9923434505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9923434505 - 2¹⁴ = 9923418121 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2096 + ... + 140894.

It is an arithmetic number, because the mean of its divisors is an integer number (757848000).

Almost surely, 2^9923434505 is an apocalyptic number.

It is an amenable number.

9923434505 is a deficient number, since it is larger than the sum of its proper divisors (2202133495).

9923434505 is a wasteful number, since it uses less digits than its factorization.

9923434505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139064.

The product of its (nonzero) digits is 583200, while the sum is 44.

The square root of 9923434505 is about 99616.4369218253. The cubic root of 9923434505 is about 2148.9220848740.

The spelling of 9923434505 in words is "nine billion, nine hundred twenty-three million, four hundred thirty-four thousand, five hundred five".