211423322001 has 4 divisors (see below), whose sum is σ = 281897762672. Its totient is φ = 140948881332.

The previous prime is 211423321973. The next prime is 211423322023. The reversal of 211423322001 is 100223324112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 211423322001 - 2¹⁴ = 211423305617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211423322041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35237220331 + ... + 35237220336.

It is an arithmetic number, because the mean of its divisors is an integer number (70474440668).

Almost surely, 2^211423322001 is an apocalyptic number.

It is an amenable number.

211423322001 is a deficient number, since it is larger than the sum of its proper divisors (70474440671).

211423322001 is an equidigital number, since it uses as much as digits as its factorization.

211423322001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70474440670.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 211423322001 its reverse (100223324112), we get a palindrome (311646646113).

The spelling of 211423322001 in words is "two hundred eleven billion, four hundred twenty-three million, three hundred twenty-two thousand, one".