9904340023 has 4 divisors (see below), whose sum is σ = 10000498768. Its totient is φ = 9808181280.

The previous prime is 9904340011. The next prime is 9904340059. The reversal of 9904340023 is 3200434099.

9904340023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3200434099 = 73 ⋅43841563.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9904340023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9904340003) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 48079218 + ... + 48079423.

It is an arithmetic number, because the mean of its divisors is an integer number (2500124692).

Almost surely, 2^9904340023 is an apocalyptic number.

9904340023 is a deficient number, since it is larger than the sum of its proper divisors (96158745).

9904340023 is a wasteful number, since it uses less digits than its factorization.

9904340023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96158744.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 9904340023 is about 99520.5507571175. The cubic root of 9904340023 is about 2147.5428950302.

The spelling of 9904340023 in words is "nine billion, nine hundred four million, three hundred forty thousand, twenty-three".