9964342923 has 48 divisors (see below), whose sum is σ = 14770939680. Its totient is φ = 5953733632.

The previous prime is 9964342909. The next prime is 9964342931. The reversal of 9964342923 is 3292434699.

It is not a de Polignac number, because 9964342923 - 2⁶ = 9964342859 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (9964342943) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 7256665 + ... + 7258037.

It is an arithmetic number, because the mean of its divisors is an integer number (307727910).

Almost surely, 2^9964342923 is an apocalyptic number.

9964342923 is a deficient number, since it is larger than the sum of its proper divisors (4806596757).

9964342923 is a wasteful number, since it uses less digits than its factorization.

9964342923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708 (or 1685 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 51.

The square root of 9964342923 is about 99821.5554026283. Note that the first 3 decimals coincide. The cubic root of 9964342923 is about 2151.8709456375.

The spelling of 9964342923 in words is "nine billion, nine hundred sixty-four million, three hundred forty-two thousand, nine hundred twenty-three".