423121204 has 24 divisors (see below), whose sum is σ = 826566048. Its totient is φ = 187854240.

The previous prime is 423121199. The next prime is 423121217. The reversal of 423121204 is 402121324.

It is a super-3 number, since 3×423121204³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109927 + ... + 113710.

It is an arithmetic number, because the mean of its divisors is an integer number (34440252).

Almost surely, 2^423121204 is an apocalyptic number.

423121204 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

423121204 is a deficient number, since it is larger than the sum of its proper divisors (403444844).

423121204 is a wasteful number, since it uses less digits than its factorization.

423121204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223695 (or 223693 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 423121204 is about 20569.9101602316. The cubic root of 423121204 is about 750.7377652911.

Adding to 423121204 its reverse (402121324), we get a palindrome (825242528).

The spelling of 423121204 in words is "four hundred twenty-three million, one hundred twenty-one thousand, two hundred four".