423405224 has 32 divisors (see below), whose sum is σ = 868091040. Its totient is φ = 192004800.

The previous prime is 423405149. The next prime is 423405233. The reversal of 423405224 is 422504324.

It is a happy number.

It is a super-3 number, since 3×423405224³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 423405193 and 423405202.

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, 33554 + ... + 44414.

It is an arithmetic number, because the mean of its divisors is an integer number (27127845).

Almost surely, 2^423405224 is an apocalyptic number.

423405224 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

423405224 is an abundant number, since it is smaller than the sum of its proper divisors (444685816).

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

423405224 is a wasteful number, since it uses less digits than its factorization.

423405224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11321 (or 11317 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 423405224 is about 20576.8127755491. The cubic root of 423405224 is about 750.9057052312.

Adding to 423405224 its reverse (422504324), we get a palindrome (845909548).

The spelling of 423405224 in words is "four hundred twenty-three million, four hundred five thousand, two hundred twenty-four".