23309578700 has 18 divisors (see below), whose sum is σ = 50581785996. Its totient is φ = 9323831440.

The previous prime is 23309578687. The next prime is 23309578703. The reversal of 23309578700 is 787590332.

It is not an unprimeable number, because it can be changed into a prime (23309578703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116547794 + ... + 116547993.

It is an arithmetic number, because the mean of its divisors is an integer number (2810099222).

Almost surely, 2^23309578700 is an apocalyptic number.

23309578700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23309578700 is an abundant number, since it is smaller than the sum of its proper divisors (27272207296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23309578700 is a wasteful number, since it uses less digits than its factorization.

23309578700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233095801 (or 233095794 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 23309578700 in words is "twenty-three billion, three hundred nine million, five hundred seventy-eight thousand, seven hundred".