223430311 has 8 divisors (see below), whose sum is σ = 242152064. Its totient is φ = 204927840.

The previous prime is 223430293. The next prime is 223430323. The reversal of 223430311 is 113034322.

223430311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 223430311 - 2¹⁷ = 223299239 is a prime.

It is a super-2 number, since 2×223430311² = 99842207747113442, which contains 22 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 (223430341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52695 + ... + 56776.

It is an arithmetic number, because the mean of its divisors is an integer number (30269008).

Almost surely, 2^223430311 is an apocalyptic number.

223430311 is a deficient number, since it is larger than the sum of its proper divisors (18721753).

223430311 is a wasteful number, since it uses less digits than its factorization.

223430311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109641.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 223430311 is about 14947.5854571901. The cubic root of 223430311 is about 606.8025027247.

Adding to 223430311 its reverse (113034322), we get a palindrome (336464633).

The spelling of 223430311 in words is "two hundred twenty-three million, four hundred thirty thousand, three hundred eleven".