120404423 has 8 divisors (see below), whose sum is σ = 123596256. Its totient is φ = 117252000.

The previous prime is 120404377. The next prime is 120404443. The reversal of 120404423 is 324404021.

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

It is a cyclic number.

It is not a de Polignac number, because 120404423 - 2¹⁶ = 120338887 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120404395 and 120404404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120404443) 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, 3611 + ... + 15932.

It is an arithmetic number, because the mean of its divisors is an integer number (15449532).

Almost surely, 2^120404423 is an apocalyptic number.

120404423 is a deficient number, since it is larger than the sum of its proper divisors (3191833).

120404423 is a wasteful number, since it uses less digits than its factorization.

120404423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19705.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 120404423 is about 10972.8949234010. The cubic root of 120404423 is about 493.7959007053.

Adding to 120404423 its reverse (324404021), we get a palindrome (444808444).

The spelling of 120404423 in words is "one hundred twenty million, four hundred four thousand, four hundred twenty-three".