423104021 has 8 divisors (see below), whose sum is σ = 442900224. Its totient is φ = 403424560.

The previous prime is 423103999. The next prime is 423104063. The reversal of 423104021 is 120401324.

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 423104021 - 2⁶ = 423103957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423104321) 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, 21725 + ... + 36306.

It is an arithmetic number, because the mean of its divisors is an integer number (55362528).

Almost surely, 2^423104021 is an apocalyptic number.

It is an amenable number.

423104021 is a deficient number, since it is larger than the sum of its proper divisors (19796203).

423104021 is a wasteful number, since it uses less digits than its factorization.

423104021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58371.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 423104021 is about 20569.4924828008. The cubic root of 423104021 is about 750.7276026383.

Adding to 423104021 its reverse (120401324), we get a palindrome (543505345).

The spelling of 423104021 in words is "four hundred twenty-three million, one hundred four thousand, twenty-one".