423111432321 has 12 divisors (see below), whose sum is σ = 615557801040. Its totient is φ = 280044975960.

The previous prime is 423111432301. The next prime is 423111432349. The reversal of 423111432321 is 123234111324.

423111432321 is a `hidden beast` number, since 4 + 2 + 311 + 1 + 4 + 323 + 21 = 666.

It is not a de Polignac number, because 423111432321 - 2¹³ = 423111424129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423111432301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169108035 + ... + 169110536.

It is an arithmetic number, because the mean of its divisors is an integer number (51296483420).

Almost surely, 2^423111432321 is an apocalyptic number.

It is an amenable number.

423111432321 is a deficient number, since it is larger than the sum of its proper divisors (192446368719).

423111432321 is a wasteful number, since it uses less digits than its factorization.

423111432321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338218716 (or 338218713 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 423111432321 its reverse (123234111324), we get a palindrome (546345543645).

The spelling of 423111432321 in words is "four hundred twenty-three billion, one hundred eleven million, four hundred thirty-two thousand, three hundred twenty-one".