121104010423 has 32 divisors (see below), whose sum is σ = 141120014400. Its totient is φ = 102705807360.

The previous prime is 121104010399. The next prime is 121104010451. The reversal of 121104010423 is 324010401121.

It is not a de Polignac number, because 121104010423 - 2⁹ = 121104009911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121104010423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121104010483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18775503 + ... + 18781951.

It is an arithmetic number, because the mean of its divisors is an integer number (4410000450).

Almost surely, 2^121104010423 is an apocalyptic number.

121104010423 is a deficient number, since it is larger than the sum of its proper divisors (20016003977).

121104010423 is a wasteful number, since it uses less digits than its factorization.

121104010423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7347.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 121104010423 its reverse (324010401121), we get a palindrome (445114411544).

The spelling of 121104010423 in words is "one hundred twenty-one billion, one hundred four million, ten thousand, four hundred twenty-three".