321023140413407 has 4 divisors (see below), whose sum is σ = 321068183656176. Its totient is φ = 320978097170640.

The previous prime is 321023140413389. The next prime is 321023140413433. The reversal of 321023140413407 is 704314041320123.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321023140413407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321023140413307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22521610694 + ... + 22521624947.

It is an arithmetic number, because the mean of its divisors is an integer number (80267045914044).

Almost surely, 2^{321023140413407} is an apocalyptic number.

321023140413407 is a deficient number, since it is larger than the sum of its proper divisors (45043242769).

321023140413407 is an equidigital number, since it uses as much as digits as its factorization.

321023140413407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45043242768.

The product of its (nonzero) digits is 48384, while the sum is 35.

The spelling of 321023140413407 in words is "three hundred twenty-one trillion, twenty-three billion, one hundred forty million, four hundred thirteen thousand, four hundred seven".