423000344 has 32 divisors (see below), whose sum is σ = 899094000. Its totient is φ = 184954752.

The previous prime is 423000343. The next prime is 423000349. The reversal of 423000344 is 443000324.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423000343) 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, 105059 + ... + 109010.

Almost surely, 2^423000344 is an apocalyptic number.

It is an amenable number.

423000344 is an abundant number, since it is smaller than the sum of its proper divisors (476093656).

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

423000344 is a wasteful number, since it uses less digits than its factorization.

423000344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214107 (or 214103 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 423000344 is about 20566.9721641276. The cubic root of 423000344 is about 750.6662784406. Note that the first 3 decimals are identical.

Subtracting from 423000344 its sum of digits (20), we obtain a palindrome (423000324).

Adding to 423000344 its reverse (443000324), we get a palindrome (866000668).

The spelling of 423000344 in words is "four hundred twenty-three million, three hundred forty-four", and thus it is an aban number.