121704423 has 8 divisors (see below), whose sum is σ = 163244928. Its totient is φ = 80650104.

The previous prime is 121704413. The next prime is 121704469. The reversal of 121704423 is 324407121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121704423 - 2¹⁰ = 121703399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121704393 and 121704402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121704413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120961 + ... + 121962.

It is an arithmetic number, because the mean of its divisors is an integer number (20405616).

Almost surely, 2^121704423 is an apocalyptic number.

121704423 is a deficient number, since it is larger than the sum of its proper divisors (41540505).

121704423 is a wasteful number, since it uses less digits than its factorization.

121704423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243093.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 121704423 is about 11031.9727610251. The cubic root of 121704423 is about 495.5667053062.

The spelling of 121704423 in words is "one hundred twenty-one million, seven hundred four thousand, four hundred twenty-three".