1232123351 has 2 divisors, whose sum is σ = 1232123352. Its totient is φ = 1232123350.

The previous prime is 1232123327. The next prime is 1232123353. The reversal of 1232123351 is 1533212321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1232123351 - 2⁶ = 1232123287 is a prime.

Together with 1232123353, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232123353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616061675 + 616061676.

It is an arithmetic number, because the mean of its divisors is an integer number (616061676).

Almost surely, 2^1232123351 is an apocalyptic number.

1232123351 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232123351 is an equidigital number, since it uses as much as digits as its factorization.

1232123351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 23.

The square root of 1232123351 is about 35101.6146494716. The cubic root of 1232123351 is about 1072.0574588526.

Adding to 1232123351 its reverse (1533212321), we get a palindrome (2765335672).

The spelling of 1232123351 in words is "one billion, two hundred thirty-two million, one hundred twenty-three thousand, three hundred fifty-one".