423404434211 has 16 divisors (see below), whose sum is σ = 466553979648. Its totient is φ = 381032652000.

The previous prime is 423404434181. The next prime is 423404434217. The reversal of 423404434211 is 112434404324.

It is not a de Polignac number, because 423404434211 - 2¹⁴ = 423404417827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423404434217) 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, 6642056 + ... + 6705498.

It is an arithmetic number, because the mean of its divisors is an integer number (29159623728).

Almost surely, 2^423404434211 is an apocalyptic number.

423404434211 is a deficient number, since it is larger than the sum of its proper divisors (43149545437).

423404434211 is a wasteful number, since it uses less digits than its factorization.

423404434211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69562.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 423404434211 its reverse (112434404324), we get a palindrome (535838838535).

The spelling of 423404434211 in words is "four hundred twenty-three billion, four hundred four million, four hundred thirty-four thousand, two hundred eleven".