321430332421423 has 32 divisors (see below), whose sum is σ = 346050161049600. Its totient is φ = 297599821079904.

The previous prime is 321430332421403. The next prime is 321430332421501. The reversal of 321430332421423 is 324124233034123.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321430332421423 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 (321430332421403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2927174986 + ... + 2927284792.

It is an arithmetic number, because the mean of its divisors is an integer number (10814067532800).

Almost surely, 2^{321430332421423} is an apocalyptic number.

321430332421423 is a deficient number, since it is larger than the sum of its proper divisors (24619828628177).

321430332421423 is a wasteful number, since it uses less digits than its factorization.

321430332421423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114619.

The product of its (nonzero) digits is 248832, while the sum is 37.

Adding to 321430332421423 its reverse (324124233034123), we get a palindrome (645554565455546).

The spelling of 321430332421423 in words is "three hundred twenty-one trillion, four hundred thirty billion, three hundred thirty-two million, four hundred twenty-one thousand, four hundred twenty-three".