120423404 has 6 divisors (see below), whose sum is σ = 210740964. Its totient is φ = 60211700.

The previous prime is 120423403. The next prime is 120423409. The reversal of 120423404 is 404324021.

It is not an unprimeable number, because it can be changed into a prime (120423403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15052922 + ... + 15052929.

It is an arithmetic number, because the mean of its divisors is an integer number (35123494).

Almost surely, 2^120423404 is an apocalyptic number.

It is an amenable number.

120423404 is a deficient number, since it is larger than the sum of its proper divisors (90317560).

120423404 is a wasteful number, since it uses less digits than its factorization.

120423404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30105855 (or 30105853 counting only the distinct ones).

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

The square root of 120423404 is about 10973.7597932523. The cubic root of 120423404 is about 493.8218472812.

Adding to 120423404 its reverse (404324021), we get a palindrome (524747425).

The spelling of 120423404 in words is "one hundred twenty million, four hundred twenty-three thousand, four hundred four".