223312423 has 4 divisors (see below), whose sum is σ = 224314048. Its totient is φ = 222310800.

The previous prime is 223312417. The next prime is 223312433. The reversal of 223312423 is 324213322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223312423 is a prime.

It is a super-2 number, since 2×223312423² = 99736876532261858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223312394 and 223312403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223312433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500478 + ... + 500923.

It is an arithmetic number, because the mean of its divisors is an integer number (56078512).

Almost surely, 2^223312423 is an apocalyptic number.

223312423 is a deficient number, since it is larger than the sum of its proper divisors (1001625).

223312423 is a wasteful number, since it uses less digits than its factorization.

223312423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001624.

The product of its digits is 1728, while the sum is 22.

The square root of 223312423 is about 14943.6415575321. The cubic root of 223312423 is about 606.6957620322.

Adding to 223312423 its reverse (324213322), we get a palindrome (547525745).

The spelling of 223312423 in words is "two hundred twenty-three million, three hundred twelve thousand, four hundred twenty-three".