321402404204123 has 24 divisors (see below), whose sum is σ = 356868239062608. Its totient is φ = 289215340040000.

The previous prime is 321402404204107. The next prime is 321402404204143.

It is a happy number.

321402404204123 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 321402404204123 - 2⁴ = 321402404204107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 321402404204123.

It is not an unprimeable number, because it can be changed into a prime (321402404204143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43255040 + ... + 50137842.

It is an arithmetic number, because the mean of its divisors is an integer number (14869509960942).

Almost surely, 2^{321402404204123} is an apocalyptic number.

321402404204123 is a deficient number, since it is larger than the sum of its proper divisors (35465834858485).

321402404204123 is a wasteful number, since it uses less digits than its factorization.

321402404204123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6886747 (or 6886736 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

It can be divided in two parts, 32140240 and 4204123, that added together give a palindrome (36344363).

The spelling of 321402404204123 in words is "three hundred twenty-one trillion, four hundred two billion, four hundred four million, two hundred four thousand, one hundred twenty-three".