321432383234129 has 2 divisors, whose sum is σ = 321432383234130. Its totient is φ = 321432383234128.

The previous prime is 321432383234101. The next prime is 321432383234177. The reversal of 321432383234129 is 921432383234123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 244471205580625 + 76961177653504 = 15635575^2 + 8772752^2 .

It is a cyclic number.

It is not a de Polignac number, because 321432383234129 - 2⁸ = 321432383233873 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (321432382234129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160716191617064 + 160716191617065.

It is an arithmetic number, because the mean of its divisors is an integer number (160716191617065).

Almost surely, 2^{321432383234129} is an apocalyptic number.

It is an amenable number.

321432383234129 is a deficient number, since it is larger than the sum of its proper divisors (1).

321432383234129 is an equidigital number, since it uses as much as digits as its factorization.

321432383234129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4478976, while the sum is 50.

The spelling of 321432383234129 in words is "three hundred twenty-one trillion, four hundred thirty-two billion, three hundred eighty-three million, two hundred thirty-four thousand, one hundred twenty-nine".