423221124 has 24 divisors (see below), whose sum is σ = 1039491040. Its totient is φ = 133648704.

The previous prime is 423221107. The next prime is 423221153. The reversal of 423221124 is 421122324.

It is a super-2 number, since 2×423221124² = 358232239599646752, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 423221124.

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, 927889 + ... + 928344.

Almost surely, 2^423221124 is an apocalyptic number.

It is an amenable number.

423221124 is an abundant number, since it is smaller than the sum of its proper divisors (616269916).

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

423221124 is a wasteful number, since it uses less digits than its factorization.

423221124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856259 (or 1856257 counting only the distinct ones).

The product of its digits is 768, while the sum is 21.

The square root of 423221124 is about 20572.3388072431. The cubic root of 423221124 is about 750.7968561716.

Adding to 423221124 its reverse (421122324), we get a palindrome (844343448).

The spelling of 423221124 in words is "four hundred twenty-three million, two hundred twenty-one thousand, one hundred twenty-four".