423124121 has 8 divisors (see below), whose sum is σ = 491498304. Its totient is φ = 356731920.

The previous prime is 423124111. The next prime is 423124139. The reversal of 423124121 is 121421324.

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 423124121 - 2¹⁸ = 422861977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423124093 and 423124102.

It is not an unprimeable number, because it can be changed into a prime (423124111) 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, 495035 + ... + 495888.

It is an arithmetic number, because the mean of its divisors is an integer number (61437288).

Almost surely, 2^423124121 is an apocalyptic number.

It is an amenable number.

423124121 is a deficient number, since it is larger than the sum of its proper divisors (68374183).

423124121 is an equidigital number, since it uses as much as digits as its factorization.

423124121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990991.

The product of its digits is 384, while the sum is 20.

The square root of 423124121 is about 20569.9810646486. The cubic root of 423124121 is about 750.7394904840.

Adding to 423124121 its reverse (121421324), we get a palindrome (544545445).

The spelling of 423124121 in words is "four hundred twenty-three million, one hundred twenty-four thousand, one hundred twenty-one".