23309999999 has 16 divisors (see below), whose sum is σ = 27636433440. Its totient is φ = 19381368960.

The previous prime is 23309999983. The next prime is 23310000017. The reversal of 23309999999 is 99999990332.

It is a cyclic number.

It is not a de Polignac number, because 23309999999 - 2⁴ = 23309999983 is a prime.

23309999999 is a modest number, since divided by 999999 gives 23309 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23309999099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 732152 + ... + 763325.

It is an arithmetic number, because the mean of its divisors is an integer number (1727277090).

Almost surely, 2^23309999999 is an apocalyptic number.

23309999999 is a deficient number, since it is larger than the sum of its proper divisors (4326433441).

23309999999 is a wasteful number, since it uses less digits than its factorization.

23309999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495610.

The product of its (nonzero) digits is 86093442, while the sum is 71.

The spelling of 23309999999 in words is "twenty-three billion, three hundred nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".