423004122 has 12 divisors (see below), whose sum is σ = 916508970. Its totient is φ = 141001368.

The previous prime is 423004117. The next prime is 423004129. The reversal of 423004122 is 221400324.

It can be written as a sum of positive squares in only one way, i.e., 370601001 + 52403121 = 19251^2 + 7239^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 23500229 = 423004122 / (4 + 2 + 3 + 0 + 0 + 4 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 423004095 and 423004104.

It is not an unprimeable number, because it can be changed into a prime (423004129) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11750097 + ... + 11750132.

Almost surely, 2^423004122 is an apocalyptic number.

423004122 is an abundant number, since it is smaller than the sum of its proper divisors (493504848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423004122 is a wasteful number, since it uses less digits than its factorization.

423004122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23500237 (or 23500234 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 423004122 is about 20567.0640102082. The cubic root of 423004122 is about 750.6685132763.

Adding to 423004122 its reverse (221400324), we get a palindrome (644404446).

The spelling of 423004122 in words is "four hundred twenty-three million, four thousand, one hundred twenty-two".