1323231031327 has 2 divisors, whose sum is σ = 1323231031328. Its totient is φ = 1323231031326.

The previous prime is 1323231031307. The next prime is 1323231031393. The reversal of 1323231031327 is 7231301323231.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (7231301323231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1323231031327 - 2¹¹ = 1323231029279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323231031307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661615515663 + 661615515664.

It is an arithmetic number, because the mean of its divisors is an integer number (661615515664).

Almost surely, 2^{1323231031327} is an apocalyptic number.

1323231031327 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323231031327 is an equidigital number, since it uses as much as digits as its factorization.

1323231031327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 31.

Adding to 1323231031327 its reverse (7231301323231), we get a palindrome (8554532354558).

The spelling of 1323231031327 in words is "one trillion, three hundred twenty-three billion, two hundred thirty-one million, thirty-one thousand, three hundred twenty-seven".