223042343 has 4 divisors (see below), whose sum is σ = 223135008. Its totient is φ = 222949680.

The previous prime is 223042321. The next prime is 223042357. The reversal of 223042343 is 343240322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343240322 = 2 ⋅171620161.

It is a cyclic number.

It is not a de Polignac number, because 223042343 - 2¹² = 223038247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223042943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42623 + ... + 47568.

It is an arithmetic number, because the mean of its divisors is an integer number (55783752).

Almost surely, 2^223042343 is an apocalyptic number.

223042343 is a deficient number, since it is larger than the sum of its proper divisors (92665).

223042343 is an equidigital number, since it uses as much as digits as its factorization.

223042343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92664.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 223042343 is about 14934.6022042772. The cubic root of 223042343 is about 606.4510786852.

Adding to 223042343 its reverse (343240322), we get a palindrome (566282665).

The spelling of 223042343 in words is "two hundred twenty-three million, forty-two thousand, three hundred forty-three".