211434323999 has 8 divisors (see below), whose sum is σ = 215160367248. Its totient is φ = 207716664960.

The previous prime is 211434323927. The next prime is 211434324001. The reversal of 211434323999 is 999323434112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211434323999 - 2¹² = 211434319903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211434343999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2045162 + ... + 2146055.

It is an arithmetic number, because the mean of its divisors is an integer number (26895045906).

Almost surely, 2^211434323999 is an apocalyptic number.

211434323999 is a deficient number, since it is larger than the sum of its proper divisors (3726043249).

211434323999 is an equidigital number, since it uses as much as digits as its factorization.

211434323999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4192105.

The product of its digits is 1259712, while the sum is 50.

The spelling of 211434323999 in words is "two hundred eleven billion, four hundred thirty-four million, three hundred twenty-three thousand, nine hundred ninety-nine".