223243424121331 has 4 divisors (see below), whose sum is σ = 223243476345000. Its totient is φ = 223243371897664.

The previous prime is 223243424121329. The next prime is 223243424121359. The reversal of 223243424121331 is 133121424342322.

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 223243424121331 - 2¹ = 223243424121329 is a prime.

It is a super-3 number, since 3×223243424121331³ (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 (223243424101331) 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, 19065961 + ... + 28460458.

It is an arithmetic number, because the mean of its divisors is an integer number (55810869086250).

Almost surely, 2^{223243424121331} is an apocalyptic number.

223243424121331 is a deficient number, since it is larger than the sum of its proper divisors (52223669).

223243424121331 is an equidigital number, since it uses as much as digits as its factorization.

223243424121331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52223668.

The product of its digits is 165888, while the sum is 37.

Adding to 223243424121331 its reverse (133121424342322), we get a palindrome (356364848463653).

The spelling of 223243424121331 in words is "two hundred twenty-three trillion, two hundred forty-three billion, four hundred twenty-four million, one hundred twenty-one thousand, three hundred thirty-one".