223140213 has 12 divisors (see below), whose sum is σ = 323654188. Its totient is φ = 148141440.

The previous prime is 223140179. The next prime is 223140221. The reversal of 223140213 is 312041322.

It can be written as a sum of positive squares in 2 ways, for example, as 165714129 + 57426084 = 12873^2 + 7578^2 .

It is not a de Polignac number, because 223140213 - 2⁸ = 223139957 is a prime.

It is a super-3 number, since 3×223140213³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223140233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49270 + ... + 53607.

Almost surely, 2^223140213 is an apocalyptic number.

It is an amenable number.

223140213 is a deficient number, since it is larger than the sum of its proper divisors (100513975).

223140213 is a wasteful number, since it uses less digits than its factorization.

223140213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103124 (or 103121 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 223140213 is about 14937.8784638248. The cubic root of 223140213 is about 606.5397684038.

Adding to 223140213 its reverse (312041322), we get a palindrome (535181535).

The spelling of 223140213 in words is "two hundred twenty-three million, one hundred forty thousand, two hundred thirteen".