223080312 has 128 divisors (see below), whose sum is σ = 716405760. Its totient is φ = 56263680.

The previous prime is 223080287. The next prime is 223080323. The reversal of 223080312 is 213080322.

It is a super-3 number, since 3×223080312³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48012 + ... + 52452.

It is an arithmetic number, because the mean of its divisors is an integer number (5596920).

Almost surely, 2^223080312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223080312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358202880).

223080312 is an abundant number, since it is smaller than the sum of its proper divisors (493325448).

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

223080312 is a wasteful number, since it uses less digits than its factorization.

223080312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4493 (or 4489 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 223080312 is about 14935.8733256546. The cubic root of 223080312 is about 606.4854892434.

The spelling of 223080312 in words is "two hundred twenty-three million, eighty thousand, three hundred twelve".