223431334133 has 4 divisors (see below), whose sum is σ = 255350096160. Its totient is φ = 191512572108.

The previous prime is 223431334123. The next prime is 223431334141. The reversal of 223431334133 is 331433134322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 223431334133 - 2⁸ = 223431333877 is a prime.

It is a super-2 number, since 2×223431334133² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223431334133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223431334123) 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, 15959381003 + ... + 15959381016.

It is an arithmetic number, because the mean of its divisors is an integer number (63837524040).

Almost surely, 2^223431334133 is an apocalyptic number.

It is an amenable number.

223431334133 is a deficient number, since it is larger than the sum of its proper divisors (31918762027).

223431334133 is an equidigital number, since it uses as much as digits as its factorization.

223431334133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31918762026.

The product of its digits is 46656, while the sum is 32.

Adding to 223431334133 its reverse (331433134322), we get a palindrome (554864468455).

The spelling of 223431334133 in words is "two hundred twenty-three billion, four hundred thirty-one million, three hundred thirty-four thousand, one hundred thirty-three".