1323141404421 has 16 divisors (see below), whose sum is σ = 1766689097600. Its totient is φ = 880844880960.

The previous prime is 1323141404369. The next prime is 1323141404447. The reversal of 1323141404421 is 1244041413231.

It is a happy number.

It is not a de Polignac number, because 1323141404421 - 2⁶ = 1323141404357 is a prime.

It is a super-3 number, since 3×1323141404421³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323141404461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5909880 + ... + 6129678.

It is an arithmetic number, because the mean of its divisors is an integer number (110418068600).

Almost surely, 2^{1323141404421} is an apocalyptic number.

It is an amenable number.

1323141404421 is a deficient number, since it is larger than the sum of its proper divisors (443547693179).

1323141404421 is a wasteful number, since it uses less digits than its factorization.

1323141404421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222636.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 1323141404421 its reverse (1244041413231), we get a palindrome (2567182817652).

The spelling of 1323141404421 in words is "one trillion, three hundred twenty-three billion, one hundred forty-one million, four hundred four thousand, four hundred twenty-one".