121313232223 has 2 divisors, whose sum is σ = 121313232224. Its totient is φ = 121313232222.

The previous prime is 121313232193. The next prime is 121313232233. The reversal of 121313232223 is 322232313121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121313232223 - 2⁵ = 121313232191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121313232233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60656616111 + 60656616112.

It is an arithmetic number, because the mean of its divisors is an integer number (60656616112).

Almost surely, 2^121313232223 is an apocalyptic number.

121313232223 is a deficient number, since it is larger than the sum of its proper divisors (1).

121313232223 is an equidigital number, since it uses as much as digits as its factorization.

121313232223 is an odious number, because the sum of its binary digits is odd.

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

Adding to 121313232223 its reverse (322232313121), we get a palindrome (443545545344).

The spelling of 121313232223 in words is "one hundred twenty-one billion, three hundred thirteen million, two hundred thirty-two thousand, two hundred twenty-three".