323140422400121 has 4 divisors (see below), whose sum is σ = 331873947329892. Its totient is φ = 314406897470352.

The previous prime is 323140422400087. The next prime is 323140422400123. The reversal of 323140422400121 is 121004224041323.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 114752835675625 + 208387586724496 = 10712275^2 + 14435636^2 .

It is a cyclic number.

It is not a de Polignac number, because 323140422400121 - 2⁶ = 323140422400057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323140422400123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4366762464830 + ... + 4366762464903.

It is an arithmetic number, because the mean of its divisors is an integer number (82968486832473).

Almost surely, 2^{323140422400121} is an apocalyptic number.

It is an amenable number.

323140422400121 is a deficient number, since it is larger than the sum of its proper divisors (8733524929771).

323140422400121 is an equidigital number, since it uses as much as digits as its factorization.

323140422400121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8733524929770.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 323140422400121 its reverse (121004224041323), we get a palindrome (444144646441444).

The spelling of 323140422400121 in words is "three hundred twenty-three trillion, one hundred forty billion, four hundred twenty-two million, four hundred thousand, one hundred twenty-one".