324121121453 has 2 divisors, whose sum is σ = 324121121454. Its totient is φ = 324121121452.

The previous prime is 324121121393. The next prime is 324121121477. The reversal of 324121121453 is 354121121423.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 277431851524 + 46689269929 = 526718^2 + 216077^2 .

It is an emirp because it is prime and its reverse (354121121423) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 324121121453 - 2⁸ = 324121121197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (324121121483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162060560726 + 162060560727.

It is an arithmetic number, because the mean of its divisors is an integer number (162060560727).

Almost surely, 2^324121121453 is an apocalyptic number.

It is an amenable number.

324121121453 is a deficient number, since it is larger than the sum of its proper divisors (1).

324121121453 is an equidigital number, since it uses as much as digits as its factorization.

324121121453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 29.

Adding to 324121121453 its reverse (354121121423), we get a palindrome (678242242876).

The spelling of 324121121453 in words is "three hundred twenty-four billion, one hundred twenty-one million, one hundred twenty-one thousand, four hundred fifty-three".