223131040131323 has 4 divisors (see below), whose sum is σ = 223200313975008. Its totient is φ = 223061766287640.

The previous prime is 223131040131313. The next prime is 223131040131341. The reversal of 223131040131323 is 323131040131322.

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

It is a cyclic number.

It is not a de Polignac number, because 223131040131323 - 2²⁶ = 223130973022459 is a prime.

It is a super-3 number, since 3×223131040131323³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223131040131313) 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, 34636917011 + ... + 34636923452.

It is an arithmetic number, because the mean of its divisors is an integer number (55800078493752).

Almost surely, 2^{223131040131323} is an apocalyptic number.

223131040131323 is a deficient number, since it is larger than the sum of its proper divisors (69273843685).

223131040131323 is an equidigital number, since it uses as much as digits as its factorization.

223131040131323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69273843684.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 223131040131323 its reverse (323131040131322), we get a palindrome (546262080262645).

Subtracting 223131040131323 from its reverse (323131040131322), we obtain a palindrome (99999999999999).

The spelling of 223131040131323 in words is "two hundred twenty-three trillion, one hundred thirty-one billion, forty million, one hundred thirty-one thousand, three hundred twenty-three".