23928329009 has 8 divisors (see below), whose sum is σ = 25824874152. Its totient is φ = 22039770240.

The previous prime is 23928328999. The next prime is 23928329069. The reversal of 23928329009 is 90092382932.

It can be written as a sum of positive squares in 4 ways, for example, as 3972528784 + 19955800225 = 63028^2 + 141265^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23928329009 - 2²⁸ = 23659893553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23928329069) 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 7 ways as a sum of consecutive naturals, for example, 1990364 + ... + 2002349.

It is an arithmetic number, because the mean of its divisors is an integer number (3228109269).

Almost surely, 2^23928329009 is an apocalyptic number.

It is an amenable number.

23928329009 is a deficient number, since it is larger than the sum of its proper divisors (1896545143).

23928329009 is a wasteful number, since it uses less digits than its factorization.

23928329009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3993187.

The product of its (nonzero) digits is 419904, while the sum is 47.

The spelling of 23928329009 in words is "twenty-three billion, nine hundred twenty-eight million, three hundred twenty-nine thousand, nine".