223512300 has 216 divisors, whose sum is σ = 775075392. Its totient is φ = 53424000.

The previous prime is 223512281. The next prime is 223512313. The reversal of 223512300 is 3215322.

223512300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1059195 + ... + 1059405.

It is an arithmetic number, because the mean of its divisors is an integer number (3588312).

Almost surely, 2^223512300 is an apocalyptic number.

223512300 is a gapful number since it is divisible by the number (20) 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 223512300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387537696).

223512300 is an abundant number, since it is smaller than the sum of its proper divisors (551563092).

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

223512300 is a wasteful number, since it uses less digits than its factorization.

223512300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 223512300 is about 14950.3277556046. The cubic root of 223512300 is about 606.8767168364.

Adding to 223512300 its reverse (3215322), we get a palindrome (226727622).

It can be divided in two parts, 2235 and 12300, that added together give a triangular number (14535 = T₁₇₀).

The spelling of 223512300 in words is "two hundred twenty-three million, five hundred twelve thousand, three hundred".