121004323 has 4 divisors (see below), whose sum is σ = 132004728. Its totient is φ = 110003920.

The previous prime is 121004309. The next prime is 121004329. The reversal of 121004323 is 323400121.

It is a happy number.

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 121004323 - 2¹⁷ = 120873251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121004297 and 121004306.

It is not an unprimeable number, because it can be changed into a prime (121004329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5500186 + ... + 5500207.

It is an arithmetic number, because the mean of its divisors is an integer number (33001182).

Almost surely, 2^121004323 is an apocalyptic number.

121004323 is a deficient number, since it is larger than the sum of its proper divisors (11000405).

121004323 is a wasteful number, since it uses less digits than its factorization.

121004323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11000404.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 121004323 is about 11000.1964982449. The cubic root of 121004323 is about 494.6146345952.

Adding to 121004323 its reverse (323400121), we get a palindrome (444404444).

The spelling of 121004323 in words is "one hundred twenty-one million, four thousand, three hundred twenty-three".