1923105121411 has 4 divisors (see below), whose sum is σ = 1923171329800. Its totient is φ = 1923038913024.

The previous prime is 1923105121351. The next prime is 1923105121433. The reversal of 1923105121411 is 1141215013291.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1923105121411 - 2¹⁹ = 1923104597123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1923105121711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33060606 + ... + 33118723.

It is an arithmetic number, because the mean of its divisors is an integer number (480792832450).

Almost surely, 2^{1923105121411} is an apocalyptic number.

1923105121411 is a deficient number, since it is larger than the sum of its proper divisors (66208389).

1923105121411 is an equidigital number, since it uses as much as digits as its factorization.

1923105121411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66208388.

The product of its (nonzero) digits is 2160, while the sum is 31.

The spelling of 1923105121411 in words is "one trillion, nine hundred twenty-three billion, one hundred five million, one hundred twenty-one thousand, four hundred eleven".