223245340 has 24 divisors (see below), whose sum is σ = 475815312. Its totient is φ = 87964800.

The previous prime is 223245331. The next prime is 223245361. The reversal of 223245340 is 43542322.

223245340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×223245340³ (a number of 26 digits) contains 333 as substring.

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, 81961 + ... + 84640.

It is an arithmetic number, because the mean of its divisors is an integer number (19825638).

Almost surely, 2^223245340 is an apocalyptic number.

223245340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223245340 is an abundant number, since it is smaller than the sum of its proper divisors (252569972).

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

223245340 is a wasteful number, since it uses less digits than its factorization.

223245340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166677 (or 166675 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 223245340 is about 14941.3968557160. The cubic root of 223245340 is about 606.6350055261.

Adding to 223245340 its reverse (43542322), we get a palindrome (266787662).

The spelling of 223245340 in words is "two hundred twenty-three million, two hundred forty-five thousand, three hundred forty".