23131200009 has 8 divisors (see below), whose sum is σ = 30843421920. Its totient is φ = 15419889056.

The previous prime is 23131199989. The next prime is 23131200013. The reversal of 23131200009 is 90000213132.

It is a happy number.

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 23131200009 - 2²⁵ = 23097645577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23131200019) 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, 166107 + ... + 271760.

It is an arithmetic number, because the mean of its divisors is an integer number (3855427740).

Almost surely, 2^23131200009 is an apocalyptic number.

It is an amenable number.

23131200009 is a deficient number, since it is larger than the sum of its proper divisors (7712221911).

23131200009 is a wasteful number, since it uses less digits than its factorization.

23131200009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455479.

The product of its (nonzero) digits is 324, while the sum is 21.

The spelling of 23131200009 in words is "twenty-three billion, one hundred thirty-one million, two hundred thousand, nine".