121321233223 has 2 divisors, whose sum is σ = 121321233224. Its totient is φ = 121321233222.

The previous prime is 121321233217. The next prime is 121321233259. The reversal of 121321233223 is 322332123121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121321233223 - 2¹⁷ = 121321102151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121321233203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60660616611 + 60660616612.

It is an arithmetic number, because the mean of its divisors is an integer number (60660616612).

Almost surely, 2^121321233223 is an apocalyptic number.

121321233223 is a deficient number, since it is larger than the sum of its proper divisors (1).

121321233223 is an equidigital number, since it uses as much as digits as its factorization.

121321233223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 25.

Adding to 121321233223 its reverse (322332123121), we get a palindrome (443653356344).

The spelling of 121321233223 in words is "one hundred twenty-one billion, three hundred twenty-one million, two hundred thirty-three thousand, two hundred twenty-three".