23121094372189 has 16 divisors (see below), whose sum is σ = 25858347004224. Its totient is φ = 20490530089600.

The previous prime is 23121094372151. The next prime is 23121094372253. The reversal of 23121094372189 is 98127349012132.

It is a cyclic number.

It is not a de Polignac number, because 23121094372189 - 2¹⁷ = 23121094241117 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 (23121094372589) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19400434 + ... + 20557699.

It is an arithmetic number, because the mean of its divisors is an integer number (1616146687764).

Almost surely, 2^{23121094372189} is an apocalyptic number.

It is an amenable number.

23121094372189 is a deficient number, since it is larger than the sum of its proper divisors (2737252632035).

23121094372189 is a wasteful number, since it uses less digits than its factorization.

23121094372189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39959468.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 23121094372189 in words is "twenty-three trillion, one hundred twenty-one billion, ninety-four million, three hundred seventy-two thousand, one hundred eighty-nine".