321012304031423 has 16 divisors (see below), whose sum is σ = 334511946478080. Its totient is φ = 307674763635456.

The previous prime is 321012304031347. The next prime is 321012304031429. The reversal of 321012304031423 is 324130403210123.

It is a cyclic number.

It is not a de Polignac number, because 321012304031423 - 2²⁴ = 321012287254207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321012304031429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218191061 + ... + 219657377.

It is an arithmetic number, because the mean of its divisors is an integer number (20906996654880).

Almost surely, 2^{321012304031423} is an apocalyptic number.

321012304031423 is a deficient number, since it is larger than the sum of its proper divisors (13499642446657).

321012304031423 is a wasteful number, since it uses less digits than its factorization.

321012304031423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521586.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 321012304031423 its reverse (324130403210123), we get a palindrome (645142707241546).

The spelling of 321012304031423 in words is "three hundred twenty-one trillion, twelve billion, three hundred four million, thirty-one thousand, four hundred twenty-three".