223412304 has 80 divisors (see below), whose sum is σ = 591454208. Its totient is φ = 72648576.

The previous prime is 223412269. The next prime is 223412309. The reversal of 223412304 is 403214322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223412309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408159 + ... + 408705.

Almost surely, 2^223412304 is an apocalyptic number.

223412304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223412304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295727104).

223412304 is an abundant number, since it is smaller than the sum of its proper divisors (368041904).

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

223412304 is a wasteful number, since it uses less digits than its factorization.

223412304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 223412304 is about 14946.9831069684. The cubic root of 223412304 is about 606.7862008688.

Adding to 223412304 its reverse (403214322), we get a palindrome (626626626).

The spelling of 223412304 in words is "two hundred twenty-three million, four hundred twelve thousand, three hundred four".