23121000199 has 8 divisors (see below), whose sum is σ = 25226955792. Its totient is φ = 21015719040.

The previous prime is 23121000179. The next prime is 23121000239. The reversal of 23121000199 is 99100012132.

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 23121000199 - 2⁹ = 23120999687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23121000179) 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, 95544 + ... + 235309.

It is an arithmetic number, because the mean of its divisors is an integer number (3153369474).

Almost surely, 2^23121000199 is an apocalyptic number.

23121000199 is a deficient number, since it is larger than the sum of its proper divisors (2105955593).

23121000199 is a wasteful number, since it uses less digits than its factorization.

23121000199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337217.

The product of its (nonzero) digits is 972, while the sum is 28.

The spelling of 23121000199 in words is "twenty-three billion, one hundred twenty-one million, one hundred ninety-nine", and thus it is an aban number.