23121121223199 has 8 divisors (see below), whose sum is σ = 30828316554112. Its totient is φ = 15414003353880.

The previous prime is 23121121223183. The next prime is 23121121223279. The reversal of 23121121223199 is 99132212112132.

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

It is not a de Polignac number, because 23121121223199 - 2⁴ = 23121121223183 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 (23121121223129) 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 7 ways as a sum of consecutive naturals, for example, 18665317 + ... + 19865454.

It is an arithmetic number, because the mean of its divisors is an integer number (3853539569264).

Almost surely, 2^{23121121223199} is an apocalyptic number.

23121121223199 is a deficient number, since it is larger than the sum of its proper divisors (7707195330913).

23121121223199 is a wasteful number, since it uses less digits than its factorization.

23121121223199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38730797.

The product of its digits is 23328, while the sum is 39.

The spelling of 23121121223199 in words is "twenty-three trillion, one hundred twenty-one billion, one hundred twenty-one million, two hundred twenty-three thousand, one hundred ninety-nine".