423511224 has 32 divisors (see below), whose sum is σ = 1060314000. Its totient is φ = 140965632.

The previous prime is 423511211. The next prime is 423511229. The reversal of 423511224 is 422115324.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 423511194 and 423511203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423511229) 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, 4572 + ... + 29460.

Almost surely, 2^423511224 is an apocalyptic number.

It is an amenable number.

423511224 is an abundant number, since it is smaller than the sum of its proper divisors (636802776).

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

423511224 is a wasteful number, since it uses less digits than its factorization.

423511224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25607 (or 25603 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 423511224 is about 20579.3883291025. The cubic root of 423511224 is about 750.9683633806.

Adding to 423511224 its reverse (422115324), we get a palindrome (845626548).

The spelling of 423511224 in words is "four hundred twenty-three million, five hundred eleven thousand, two hundred twenty-four".