1232451311323 has 2 divisors, whose sum is σ = 1232451311324. Its totient is φ = 1232451311322.

The previous prime is 1232451311309. The next prime is 1232451311341. The reversal of 1232451311323 is 3231131542321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1232451311323 is a prime.

It is not a weakly prime, because it can be changed into another prime (1232451311353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616225655661 + 616225655662.

It is an arithmetic number, because the mean of its divisors is an integer number (616225655662).

Almost surely, 2^{1232451311323} is an apocalyptic number.

1232451311323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232451311323 is an equidigital number, since it uses as much as digits as its factorization.

1232451311323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 31.

Adding to 1232451311323 its reverse (3231131542321), we get a palindrome (4463582853644).

The spelling of 1232451311323 in words is "one trillion, two hundred thirty-two billion, four hundred fifty-one million, three hundred eleven thousand, three hundred twenty-three".