121104130231423 has 4 divisors (see below), whose sum is σ = 123920505353128. Its totient is φ = 118287755109720.

The previous prime is 121104130231393. The next prime is 121104130231429. The reversal of 121104130231423 is 324132031401121.

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 121104130231423 - 2¹³ = 121104130223231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121104130231391 and 121104130231400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121104130231429) 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, 1408187560788 + ... + 1408187560873.

It is an arithmetic number, because the mean of its divisors is an integer number (30980126338282).

Almost surely, 2^{121104130231423} is an apocalyptic number.

121104130231423 is a deficient number, since it is larger than the sum of its proper divisors (2816375121705).

121104130231423 is an equidigital number, since it uses as much as digits as its factorization.

121104130231423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2816375121704.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 121104130231423 its reverse (324132031401121), we get a palindrome (445236161632544).

The spelling of 121104130231423 in words is "one hundred twenty-one trillion, one hundred four billion, one hundred thirty million, two hundred thirty-one thousand, four hundred twenty-three".