1232243421223 has 2 divisors, whose sum is σ = 1232243421224. Its totient is φ = 1232243421222.

The previous prime is 1232243421221. The next prime is 1232243421257. The reversal of 1232243421223 is 3221243422321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1232243421223 - 2¹ = 1232243421221 is a prime.

Together with 1232243421221, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232243421221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616121710611 + 616121710612.

It is an arithmetic number, because the mean of its divisors is an integer number (616121710612).

Almost surely, 2^{1232243421223} is an apocalyptic number.

1232243421223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232243421223 is an equidigital number, since it uses as much as digits as its factorization.

1232243421223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 31.

Adding to 1232243421223 its reverse (3221243422321), we get a palindrome (4453486843544).

The spelling of 1232243421223 in words is "one trillion, two hundred thirty-two billion, two hundred forty-three million, four hundred twenty-one thousand, two hundred twenty-three".