23409885899 has 8 divisors (see below), whose sum is σ = 23558193120. Its totient is φ = 23262028416.

The previous prime is 23409885859. The next prime is 23409885929. The reversal of 23409885899 is 99858890432.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23409885899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23409885809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7694 + ... + 216515.

It is an arithmetic number, because the mean of its divisors is an integer number (2944774140).

Almost surely, 2^23409885899 is an apocalyptic number.

23409885899 is a deficient number, since it is larger than the sum of its proper divisors (148307221).

23409885899 is a wasteful number, since it uses less digits than its factorization.

23409885899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224869.

The product of its (nonzero) digits is 44789760, while the sum is 65.

The spelling of 23409885899 in words is "twenty-three billion, four hundred nine million, eight hundred eighty-five thousand, eight hundred ninety-nine".