321432420040123 has 16 divisors (see below), whose sum is σ = 372881385494784. Its totient is φ = 271367007674400.

The previous prime is 321432420040087. The next prime is 321432420040169. The reversal of 321432420040123 is 321040024234123.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321432420040123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321432420040183) 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, 39665965 + ... + 47077102.

It is an arithmetic number, because the mean of its divisors is an integer number (23305086593424).

Almost surely, 2^{321432420040123} is an apocalyptic number.

321432420040123 is a deficient number, since it is larger than the sum of its proper divisors (51448965454661).

321432420040123 is an equidigital number, since it uses as much as digits as its factorization.

321432420040123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86751042.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 321432420040123 its reverse (321040024234123), we get a palindrome (642472444274246).

The spelling of 321432420040123 in words is "three hundred twenty-one trillion, four hundred thirty-two billion, four hundred twenty million, forty thousand, one hundred twenty-three".