223433424 has 40 divisors (see below), whose sum is σ = 641337920. Its totient is φ = 74477664.

The previous prime is 223433393. The next prime is 223433447. The reversal of 223433424 is 424334322.

223433424 is a `hidden beast` number, since 2 + 234 + 3 + 3 + 424 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a congruent number.

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, 258172 + ... + 259035.

It is an arithmetic number, because the mean of its divisors is an integer number (16033448).

Almost surely, 2^223433424 is an apocalyptic number.

223433424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

223433424 is an abundant number, since it is smaller than the sum of its proper divisors (417904496).

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

223433424 is a wasteful number, since it uses less digits than its factorization.

223433424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517224 (or 517212 counting only the distinct ones).

The product of its digits is 13824, while the sum is 27.

The square root of 223433424 is about 14947.6895873576. The cubic root of 223433424 is about 606.8053208554.

Adding to 223433424 its reverse (424334322), we get a palindrome (647767746).

The spelling of 223433424 in words is "two hundred twenty-three million, four hundred thirty-three thousand, four hundred twenty-four".