223534435323 has 4 divisors (see below), whose sum is σ = 298045913768. Its totient is φ = 149022956880.

The previous prime is 223534435321. The next prime is 223534435367. The reversal of 223534435323 is 323534435322.

It is a happy number.

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

It is not a de Polignac number, because 223534435323 - 2¹ = 223534435321 is a prime.

It is a super-2 number, since 2×223534435323² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223534435321) 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, 37255739218 + ... + 37255739223.

It is an arithmetic number, because the mean of its divisors is an integer number (74511478442).

Almost surely, 2^223534435323 is an apocalyptic number.

223534435323 is a deficient number, since it is larger than the sum of its proper divisors (74511478445).

223534435323 is an equidigital number, since it uses as much as digits as its factorization.

223534435323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74511478444.

The product of its digits is 777600, while the sum is 39.

Subtracting 223534435323 from its reverse (323534435322), we obtain a palindrome (99999999999).

The spelling of 223534435323 in words is "two hundred twenty-three billion, five hundred thirty-four million, four hundred thirty-five thousand, three hundred twenty-three".